This month, National Geographic Channel takes a closer look at China's "Stone Dragon" -the Great Wall.

本月份，国家地理频道将深入探究中国的石龙——万里长城。

youdao

This month, National Geographic Channel takes a closer look at China's "Stone Dragon" -the Great Wall.

本月份，国家地理频道将深入探究中国的石龙——万里长城。

youdao