Czech artist David Cerny has designed a double-decker bus that does pushups. The extremely fit but will be installed at Czech Olympic headquarters in London during the Summer Games and will participate in the country’s swimming and handball teams. Courtesy of David Cerny. Courtesy of David Cerny.Czech artist David Cerny has designed a double-decker bus that does pushups. The extremely fit but will be installed at Czech Olympic headquarters in London during the Summer Games and will participate in the country’s swimming and handball teams. Courtesy of David Cerny. Courtesy of David Cerny.