Tourists visit at an upside-down house at Fengjing Ancient Town, Jinshan District, south of Shanghai, May 1, 2014. (Photo by Aly Song/Reuters)

A tourist jumps inside an upside-down house at Fengjing Ancient Town, Jinshan District, south of Shanghai, May 1, 2014. The upside-down house was built as a tourist attraction using everyday household items and furniture. (Photo by Aly Song/Reuters)

Tourists visit at an upside-down house at Fengjing Ancient Town, Jinshan District, south of Shanghai, May 1, 2014. (Photo by Aly Song/Reuters)

A woman poses for a photo inside an upside-down house at Fengjing Ancient Town, Jinshan District, south of Shanghai, May 1, 2014. (Photo by Aly Song/Reuters)

A man takes a picture as people wait in line to visit an upside down house built at the Centre of Education and Promotion of the Region in the village of Szymbark, northern Poland July 31, 2007. The upside down house created by Daniel Czapiewski is supposed to describe the times of the former communist era and the present times in which we live. (Photo by Peter Andrews/Reuters)

People look at an “upside-down house” attraction displayed at the All-Russia Exhibition Center in Moscow, on January 14, 2014. (Photo by Alexander Nemenov/AFP Photo)

A picture rotated 180 degrees shows visitors walking inside an “upside-down house” attraction at the VVTs the All-Russia Exhibition Center in Moscow, on January 14, 2014. The attraction to experience a new perspective of a house standing upside down was opened first time in Russia, the show organisers said. (Photo by Alexander Nemenov/AFP Photo)

A woman takes a tour in an “upside-down home” in St. Petersburg, Russia, April 10, 2014. The apartment charges less than $10 for a walk through its three rooms and two bathrooms. (Photo by Alexander Demianchuk/Reuters)

Visitors enter a house standing upside down in Trassenheide on the Baltic Sea island of Usedom, northeastern Germany, on November 2, 2013. The house was already constructed in the year 2008 by two Polish initiators, who also designed the house's interior upside down. (Photo by Jens Buettner/AFP Photo/DPA)

Liv Egerland admires the dining room inside a wooden house which is built upside-down in Gettorf, northern Germany, on Sunday, March 14, 2010. The fully furnished so-called “crazy house” has a kitchen, a bathroom, a living room and a sleeping room. Visitors have to pay an entry fee to enter this tourist attraction which is set up nearby the local zoo. (Photo by Heribert Proepper/AP Photo)

Tourists pose with an upside-down house in Tamparuli in Malaysia's state of Sabah on Borneo island September 17, 2012. Built for tourist attraction, the traditional Sabah village house was built with everyday households items like computer, refrigerator, sofa sets, dining table and beds – but all items are upside down. (Photo by Bazuki Muhammad/Reuters)

People walk out of a house, which was built upside down by Polish architects Irek Glowacki and Marek Rozanski, in the western Austrian village of Terfens May 5, 2012. The project is meant to serve as a new tourist attraction in the area, and is now open for public viewing. (Photo by Dominic Ebenbichler/Reuters)

A woman stands inside the bathroom 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. (Photo by Dominic Ebenbichler/Reuters)

People stand in the garage 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. (Photo by Dominic Ebenbichler/Reuters)

An upside down model of a house is build in Wellen, central Germany, on September 5, 2013. A full scaled house will be erected 2014 at the Edersee, central Germany. (Photo by Uwe Zucchi/AFP Photo/DPA)