The Pagoda, the symbol of the city, was located right in front of the pizza restaurant where Dr. Looknum took me for dinner. It was a New Year's festival, and was very crowded with markets and events.

We toasted to our reunion with Dr. Looknum and a pizza dinner while enjoying the wonderful night view of the Pagoda.

Dr. Looknum of Silpakoorn University, who is sponsoring the second half of this trip. He specializes in chemistry and was a student of Dr. Thanit, who also specializes in chemistry and has been a great help to me since I first came to Thailand.

The next day, I started repairing the vertical motion seismograph, which had been broken because the package I had sent earlier had been handled roughly. Before that, the two horizontal seismographs were also not working, so I checked them and found that the weight of the pendulum was causing the coils to contact the magnet below. We spent almost an hour replacing the coils with thin magnets, which we had brought with us, to create a gap so that the coils would not come into contact with the magnets.

Next, we finally started repairing the vertical motion seismograph. I attached a cross spring to a new 3D printed part that supports the fulcrum, which took quite a while. It was around noon when I finished the work.

I couldn't borrow a 1mm drill bit, so I used a soldering iron with a thin needle to make a hole in the bobbin. This was a good idea and I will be able to use it next time.

Thanks to all the hard work, the station was successfully rebuild as the seventh seismograph station in Thailand. However, the power supply will be cut off on every week end, and a new building will be constructed across the window, so there are some difficulties ahead for the observation site.

After the talk on Noto earthquake and seismographs, the physics staff took us to dinner. In the foreground is Dr. S. and his daughter. Next to me is Prof. Ohm, who is in charge of the seismograph in the physics department, Ohm is of course a nickname, but it is a very physics teacher's name. He drove me to the restaurant in his luxurious black Mercedes Benz. He told me that the neighborhood of the university where he lives is very safe and that he sometimes does not lock his house. It is clear that Thailand is becoming safer and safer due to economic development.

Today is my no work day, and from this morning I came to the new laundromat in front of the university entrance to poke around in the laundry. I did not have much to wash today, so I paid 40 baht for 10 kg of laundry, and 40 baht for 14 kg of dry clothes. Dry laundry was also inexpensive at 40 baht for 14 kg. The waiting time for both was about 25 minutes. The place was not crowded because it was Saturday morning. I found a good place to stay if I ever need to stay at this university again.

After finishing the laundry, I went shopping again for lunch. This campus is filled with student graffiti in many places. This is because this university originally started out as a university of arts.

A supermarket with fresh food is located right in front of the entrance of the university, just across the busy street. This is also a common store in Thailand.

On the way home, I took a picture of the main gate of the university. There was a magnificent signboard.

This is the art building of the Faculty of Art, which makes this university famous. Various artworks, including graffiti, by students here are exhibited in the campus.

The green buses are the electric buses that ply the streets in the center of the campus. If you raise your hand, they will give you a free ride. I took the plunge and got on it on my way home from the laundry. The driver asked me what I wanted to do, but when I told him I only understood English, a girl student sitting on the seat interpreted for me. It is quite convenient when you have luggage. What is painted in white in front of the sidewalk? This is another prank by an art student.

Now, here is a reptile that appeared last summer. Is it a monitor lizard? I took a video of it as it was walking quietly. It's quite cute, isn't it? Can you hear the birds singing?

Location on Google map. A large pond on the campus is a unique feature of this university.

On the left is the Chemistry building, and the office of SCiUS, the sponsor of my visit, is in the foreground. The red building on the far right across the road is the dormitory where I am staying.

I was given three keys and unlocked two of them to get to the lobby on the second floor. There are two rooms, the one in the front where I stayed last summer and the one in the back this time. I am the only guest in the room, so it is easy to stay in the room. Electric kettle and microwave are available in the lobby, but there is no refrigerator, which is a little disappointing. Well, I can't say it's a luxury.

The room looks like this, with a study desk, and is probably a facility for faculty members who come here for intensive lectures. The room next to the last one did not have hot water, but the shower in this room has enough hot water to make it very comfortable.

Now, I'm going to heat up my lunch that I bought frozen. I bought two pieces of dragon fruit at the supermarket earlier for 69 baht. Kai jiao rice (rice with fried egg on top) was 35 Baht.

I bought cold beer even though there was no refrigerator, but it was a rest day, so of course it was my lunchtime beer. The omelette did not come with sauce, but I had some chili sauce from a pizza shop, so I poured it over the omelette and it became a very tasty lunch. I am going to take a rest now and write a manuscript for the conference.

The next morning, we went on a geological trip to the western provinces of Phetchaburi and Ratchaburi. While waiting in front of our lodgings, a bus arrived. What is this? It is a double-decker bus, which is very popular in Thailand. The illustration is very cute. The roof in the background is the building of the high school that the university is taking care of. About 30 high school students will participate.

We are seated in VIP seats on the first floor. Here's a continuation of this (laughs). I was making a paper for geological explanation.

After driving west for nearly two hours, we have just entered the province of Phetchaburi, which is dotted with Permian limestone (Latvian limestone). We visit the famous limestone caves there.

Here I gathered the students and asked them a question. Why is the limestone in the back stratified, but not the limestone on either side? It was quite difficult, but my answer is on the next page.

At the entrance of the cave, there was a man climbing up with a rope, as if he was doing some kind of construction work. They were putting their tools down, so it seems that they were working on power lines or something and not climbing.

Answer to the previous page: Both sides of the cave are covered with stalactites that were formed later.

There are wild monkeys in this cave park. This is a common sight in Thailand. I warned my students not to make eye contact with them because of the fear of rabies.

After lunch, we went back to Ratchaveli province to visit Stone Park, an old limestone quarry that has been turned into a tourist attraction. I explained the fossils to the students and searched for them a lot, but could not find any. We could not find any fossils. We did not know if they were in the Triassic period, or if they had been affected by heat. Next time, I will do more research before coming back to the site. This time, I did not have time to do the research, so I left the location setting to the staff here.

There was a nicely stratified section of boulders, so I took a picture of it. As I will explain in the next photo, it appears to be limestone with few fossils. No wonder I couldn't find any fusulinas, corals, or crinoids. I told the students to look hard, but they were very disappointed.

The following are the papers I made for explanation. The two sheets on the right were written at the site. Since we could not find any fossils, I gave a brief explanation of the geological history of the Paleozoic at the back of the quarry. The Cambrian explosion, the great forests and giant insects of the Carboniferous, and the mass extinction at the P-T boundary. These are the topics that were briefly discussed in the bus. I later learned from the staff of MUKA (Mahidol University, Department of Geology) that the limestones of Pechaburi and Ratchaburi, unlike those of Kanchanaburi, have a slightly colder facies with fewer fossils and less diversity. I found out that it is not very suitable for fossil hunting. I regret that I should have done a little more research and given better advice.

When I went back to my room to charge my GPS battery, I found that the charging adapter was dead. I have been using this adapter for a long time since the nickel-cadmium batteries, but I'm going to throw it away.

After breakfast this morning, I took a short walk around the university campus. I saw a lizard swimming in the pond. It reminded me of a scene from Movie Shin-Godzilla.

The morning temperature is cool and refreshing on the campus. I would love to spend a week or so in such a place.

I went for a walk and bought some safety pins at 7-11 in front of the university, and some mangoes that I happened to find at Lotus supermarket. The price was 69 baht for a kilo of mangoes, but it was 24 baht after that were weighed. That's just 100 yen, about 1/8 of the price in Japan. I still have some dragon fruit left over from last night's purchase, so I will bring it with me to the next trip to Kanchanaburi. I left my big suitcase at the university, and only took my small luggage with me to the conference and the excursion. I will be light. In addition, we will be picked up and returned to Kanchanaburi. I really appreciate this service.

The faculty members of the Physical Society of Japan who will take care of the seismographs. Dr. Ohm is on the left and Dr. Worrapass is on the right. They made a beautiful transparent case for the seismographs. We went to see the seismograph for a little while in the morning.

The data of the M7.0 earthquake in the Uyghur Autonomous Region in China, which occurred after our return to Japan, was sent to us.

I made this drawing. The seismic motion of 2ch north-south motion is a little weak, but the data is basically well recorded.

I drink milk on campus in the morning when it is still cool. I forgot that there is no refrigerator, so I have to drink it early.

Yakisoba noodles from the market that is held on campus every Wednesday. This will be my lunch today.

Since I stayed one day longer than usual, I took a motorcycle cab to BigC to buy coffee and food. The fare to BigC is 30 baht on the way there, and 40 baht on the way back to the university. The full trip back to the university costs 40 baht. Dr. Looknum said that Tesco Lotus or Central is closer, and I just checked the map and realized that it is only about 1km away. I see...

On the last day of my stay, Dr. Lookinum took me to a Japanese restaurant for lunch and I took home some sushi. It was delicious. I really appreciate all the help and support I received.

Arrival at Macau Airport. I noticed later that the clientele changes drastically from DMK to Macau and from Macau to KIX.

Walking through Macau airport. The security check is waiting for me again.

I go to the lounge and change my SIM to a Japanese one. I'm not in Thailand anymore, so I realized that the AIS SIM is no longer useful.

The food was not bad, but not bad at all. Japanese-style somen noodles were served.

After a long wait at the check-in counter, I was finally given a proof of cancellation at the boarding gate. However, it was useless because of the shitty insurance company.