Aerial photo taken on June 25, 2022 shows the Yongling No. 2 tunnel of the high-speed railway linking Shenyang with the Changbai Mountains in northeast China. The Yongling No. 2 tunnel on Saturday fully completed its construction. It is the first tunnel that saw construction completed along the under-construction Shenyang-Changbai Mountain high-speed railway.
The 430.1-km-long Shenyang-Changbai Mountain railroad kicked off its construction in July 2021 with a designed speed of 350 km per hour. (Xinhua/Yang Qing)
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