A historical geographical region in northwestern Gansu province, consisting of a string of oases that formed part of the ancient Silk Road connecting China to Central Asia.

Wakhan Corridor, a panhandle in the northeast of Afghanistan sharing a border with China at its eastern end

A designated air route for aircraft entering and leaving a country or specific airspace, often established to ensure safe passage and prevent accidental engagement by friendly forces.

A narrow coastal plain between Shanhaiguan in Hebei and Jinzhou in Liaoning; it serves as a vital strategic route connecting North China and the Northeast.

by the aisle, especially an aisle seat on a plane or train