The city of Erenhot, located in the Inner Mongolia autonomous region, is often called China's "Northern Gate", as it is the critical entry point where the China-Mongolia railway first touches Chinese soil from the neighboring country.

Standing at the Erenhot national gate of China, Zamyn-Uud of Mongolia seems to be within reach, as the centers of the two cities are merely 9 kilometers apart. The border is no…

The city of Erenhot, located in the Inner Mongolia autonomous region, is often called China's "Northern Gate", as it is the critical entry point where the China-Mongolia railway…