Submission for the Golden Ticket challenge

In the future, we are finally able to get along with the environment. The "mushroom" building is created by our scientist, the top roof contains manmade algae which will provide enough oxygen for people living in that area, the root grows out and reaches to the water. It is a half artificial craft. They are enormous, big enough for an entire city. and this changed all of our architectures. Power is mainly provided by the wind and the sun.