焊花雨

Welding Sparks Rain

　　施工中的中老铁路友谊隧道。友谊隧道是一条连接中老两国的跨境隧道，隧道的命名寓意着中老两国人民的深厚友谊。

　　The Friendship Tunnel of the China-Laos Railway was under construction. This cross-border tunnel connects China and Laos, and its name symbolizes the friendship between the people of China and Laos.