From March 14th in National Museum of Nature and Science, The Dinosaur EXPO 2023 has been opened. This event is until June 18th, so you should go there to see it if you’ve not done it. I entered it in opening time, and make fuller better u…

I’ve been able to write this blog so long time, so I try to write a series of my concern. The theme is “natural life forms”. It is including not only the current one but also the ancient one. As the first issue, because of cherry blossom a…