What did Lianshan say when he went back to Tibet?

It tells the whole process of the author's return to the mainland from Tibet. Returning to Tibet with Mountains is a tourism literature work written by Tian Lianren describing Tibet. This book mainly tells the whole process of the author's return to the mainland from Tibet, including his travel experience from Lhasa to Chengdu, and his observation and experience of Tibet's geography and history.