China Moon Mission

A worker walks past a billboard with a quotation from Chinese President Xi Jinping in a building at the Wenchang Space Launch Site in Wenchang in southern China’s Hainan Provice, Monday, Nov. 23, 2020. Chinese technicians were making final preparations Monday for a mission to bring back material from the moon's surface for the first time in nearly half a century — an undertaking that could boost human understanding of the moon and of the solar system more generally. (AP Photo/Mark Schiefelbein)