Casulo, a new concept for mobile living originated in June 2007 as a part of the dissertation of Marcel Krings and Sebastian Mühlhäuser at the Köln International School of Design in Cologne and is patent-protected (Gebrauchsmuster).
Couples take part in a Valentine's Day attempt to break the record for the world's largest simultaneous gay kiss on February 14, 2004 in Rome, Italy. (Photo by Franco Origlia/Getty Images)
Afghan women pray at the Karti Sakhi shrine on May 13, 2011 in Kabul, Afghanistan. Within many mosques women have separate areas from the men for prayer, however, in many parts of Taliban controlled Afghanistan, women are only allowed to pray at home. (Photo by Paula Bronstein /Getty Images)
3D interactive artist Joe Hill poses with one of his works as part of the VisitBritain tourism campaign at Circular Quay on September 6, 2011 in Sydney, Australia. (Photo by Mark Metcalfe/Getty Images)
Three Boeing 737 fuselages lie on an embankment on the Clark Fork River after a BNSF Railway Co train derailed Thursday near Rivulet, Montana in this picture taken July 4, 2014. A train derailment in Montana this week damaged a shipment of jetliner fuselages and other large parts on its way to Boeing Co factories in Washington state from Spirit Aerosystems, Boeing said on Saturday. (Photo by Kyle Massick/Reuters)