A suspected illegal construction is seen covered by green plants atop a 19-storey residential building in Guangzhou, China, April 11, 2014.
A house built on a rock on the river Drina is seen near the western Serbian town of Bajina Basta, about 160km (99 miles) from the capital Belgrade May 22, 2013. The house was built in 1968 by a group of young men who decided that the rock on the river was an ideal place for a tiny shelter, according to the house’s co-owner, who was among those involved in its construction.
People sit in front of a house, which was built upside down by Polish architects Irek Glowacki and Marek Rozhanski, in the western Austrian village of Terfens May 5, 2012.
An aerial view of a building shaped like a clay teapot is in Wuxi, China, March 4, 2014.
A very thin house is pictured at the end of a terrace in London August 30, 2011.
A car stops beside a house in the middle of a newly built road in Wenling,China, November 22, 2012.
A house partially built in the shape of an airplane in Abuja, Nigeria November 24, 2009.
Postal worker Glenn Gray passes a piece of public art, depicting a sliding house in a residential road in Margate, southern England October 9, 2013.
A lavatory-shaped house, Haewoojae, which means the house for satisfying one’s anxiety, in Suwon, South Korea, November 9, 2007.
People pray around Saint George, one of the 11 monolithic rock-cut churches, during a Good Friday celebration in Lalibela, Ethiopia, May 3, 2013.