Yuriko Koike (1st L on the van), Japan's former defense minister and candidate for Tokyo's gubernatorial election, delivers a speech to passersby in Tokyo, Japan, July 29, 2016. 21 candidates for the gubernatorial election of Tokyo are all engaged in campaign activities ahead of the election which is set for July 31. Former Tokyo governor Yoichi Masuzoe resigned last month amid a scandal over the alleged use of public funds for private holidays and gifts. (Xinhua/Ma Ping)