Egg House
Dai Haifei, pictured below, made headlines in 2010 when he lived for a few months in a homemade egg-shaped mobile house located near his office.
The egg-house was made of bamboo strips, steel bars, heat prevention and waterproof materials, and sacks filled with wood chips and grass seeds. It has a solar panel to make it energetically self-sufficient. Take a look at the inside: