World's smallest helicopter

Japanese Gen Corporation employee Yasutoshi Yokoyama takes a demonstration flight on the GEN H-4 helicopter, the world's smallest one-man helicopter, in Vinci, birthplace of Renaissance genius Leonardo da Vinci, near Florence, Italy. The GEN H-4 helicopter, developed by Gennai Yanagisawa, 75, of Japan, in the late 1990s, has two rotors turning in opposite directions to maintain stability, and four engines that enables a 30-minute flight with a top speed of about 56mph. The helicopters sell for about six million yen (£29,000).