Spoiler! Green city built a prefabricated building "Museum"!

60 days to collect materials, 60 days to design, 60 days to complete construction; 350 square meters of space, hidden should be 1000 square meters to accommodate the full dry goods Here is not only the exhibition hall, but also the teaching room, and also the Research Institute. Here is the first assembly building exhibition hall of green city built in half a year.