Today, I went to place where I like, Museom of natural history.First, we take large elevator to get into 3rd floor.3rd floor exhibiting about how Universe was borned and Earth was formed.I like that exhibit,because I want to become an astronomical scientist for future.I specifically know all parts of that floor.We had a quiz time. I explained about fixed star pretty long and nice.Then we learned by Max teacher.I think Cyanobacteria is very very important to all living thins on Earth.Because Cyanobacteria  produce Oxygen through photosynthesis at Precambrian era and filled the Earth with Oxygen,that is important to all living things.We can call Cyanobacteria as our mother.

 Our exploring is very fun.And great.Because nature history is valueable and I got biggest sticker that worth nine small stickers!