People visit a tiny house during the Tiny House show at Science World in Vancouver, Canada, May 20, 2017. The Tiny House show is an event which showcases the latest ideas and trends on tiny house building and living. Tiny house is a new living concept and is becoming popular in some big cities in North America. They are usually customizable and built on the principles of affordability, community and ecological sustainability. (Xinhua/Liang sen)
