High speed trains maintained for 2019 Spring Festival travel rush

Aerial photo taken on Jan. 20, 2019 shows high speed trains after maintaining in Nanjing, capital of east China's Jiangsu Province. The 2019 Spring Festival travel rush, known as Chunyun, will start on Jan. 21. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 5 this year. (Xinhua/Li Bo)