Constructors celebrate the drill-through of the Hukou tunnel of the Hangzhou-Wenzhou railway in East China's Zhejiang province, Aug 19. The Hukou tunnel of the high-speed railway linking Hangzhou and Wenzhou cities was drilled through on Friday. [Photo/zjol.com.cn]
Constructors work at the Hukou tunnel of the Hangzhou-Wenzhou railway in East China's Zhejiang province, Aug 19. The Hukou tunnel of the high-speed railway linking Hangzhou and Wenzhou cities was drilled through on Friday. [Photo/zjol.com.cn]