Models prepare themselves backstage ahead of the International Dwarf Fashion Show, on September 26, 2017 in Paris, France. (Photo by Thomas Samson/AFP Photo)
People are reflected in a shop window as they walk along a street in a shopping district in Tokyo, Japan June 25, 2015. (Photo by Thomas Peter/Reuters)
Klemens Torggler's door is an invention based on rotating squares, The special construction makes it possible to move the door sideways without the use of tracks. This technical trick opens up new applications for the door.