Emperor Wu of Han (汉武帝) – reign: 141-87 BCE
A cleaner version of the same image:
Zhang Qian (張騫), Emissary of Han. Dispatched to find the Yuezhi Kingdom and document the peoples of the Far West from 138-126 BCE.
His first big hurdle, the Taklamakan Desert in the Tarim Basin… this would forcibly be made his home for more than 10 years:
The Silk Road – Zhang Qian’s legacy: