Da Vinci to be honored by small helicopter flight

In this photo released on Thursday, May 15, 2008 by Japanese helicopter manufacturing company Gen Corporation, the company employee Yasutoshi Yokoyama flies in the air by GEN H-4, a compact single-seater helicopter developed by Gen Corporation, during its test flight in Matsumoto in central Japan\'s Nagano Prefecture Jan. 14, 2005. Gennai Yanagisawa, 75, who has developed claimed to be the world's smallest one-man helicopter will take the aircraft on a flight on May 25 in the birthplace of Leonardo da Vinci near Florence, Italy, in tribute to his original idea. (AP Photo/Gen Corporation)