German Chancellor Angela Merkel (C), escorted by Mamoru Mori, executive director of the museum and former astronaut, touches "Asimo", a bi-ped humanoid robot developed by Honda Motor Co., while visiting Miraikan (National Museum of Emerging Science and Innovation) in Tokyo March 9, 2015. Merkel flew into Japan on Monday for a two-day visit. REUTERS/Issei Kato (JAPAN - Tags: POLITICS SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY)