On the same day, the premiere ceremony of the rap song "Take the High-Speed Train to See the Sea" (Laowen) and the hand-painted book were held in Xishuangbanna Prefecture, Yunnan Province, along the China-Laos Railway. Lao youth Sompa Song Tonwang told reporters on the 26th.

"The lyrics express the hope that the people of the two countries will bring tangible benefits to the Lao-China Railway along the line," he said.