Ten blind people, accompanied by volunteers wait to take the subway for the first time at a subway platform in Kunming, the capital of Southwest China's Yunnan province on October 15, 2015. College students, also cover their eyes with eye patches in a bid to understand the challenges faced by blind people when navigating the city's public transportation system. These are part of the activities to mark the International Blind Day. [Photo/Chinanews.com]