Hot air balloons are prepared for a flight as others take off during an international hot air balloon festival at Maayan Harod National park in northern Israel September 30, 2015. (Photo by Baz Ratner/Reuters)

A C-17 Globemaster III crew prepares an air refueling mission September 27, 2012, at Joint Base Charleston, S.C. (Photo by Airman 1st Class Matthew J. Bruch/U.S. Air Force photo)

Valentin Arias Delgado and Diana Franco Durango, from Colombia, perform their routine at the Stage style Tango World Championship, in Buenos Aires, Argentina, August 31, 2016. (Photo by Enrique Marcarian/Reuters)

The rear of the Chevorlet Chaparral 2X Vision Gran Turismo concept car at its world debut at the Los Angeles Auto Show in California, November 19, 2014. The annual event is open to the public beginning November 21. (Photo by Lucy Nicholson/Reuters)

A visitor poses with a 3D art work during a Japanese Trick Art exhibition at a shopping mall in Jakarta, Indonesia, Tuesday, December 4, 2012. (Photo by Dita Alangkara/AP Photo)

A model poses in front of the new Lamborghini Huracan during the media day of the 84th Geneva International Motor Show, Switzerland, Tuesday, March 4, 2014. (Photo by Laurent Cipriani/AP Photo)

A woman sits with a Great Dane during the first day of the Crufts dog show in Birmingham, central England March 6, 2014. (Photo by Darren Staples/Reuters)

Chocolate-lovers have gathered for the first Salon du Chocolat fashion show and festival in Brussels. The festival takes place in 19 cities worldwide, but this year marks the first Salon du Chocolat in Brussels. The main feature of the festival was a fashion show, where chefs and designers collaborated to create chocolate outfits. (Photo by Farrukh Younus/Implausibleblog)