December 2016. Xinjiang province, China. Senior technician from a Chinese state-owned oil company taking a cigarette break after lunch near one of the team's vehicle. He is part of an oil exploration team from a Chinese state-owned company operating in the Taklamakan desert in the province of Xinjiang. This team and a few others are setting up thousands of explosive charges for weeks at a time that are all detonated at sthe same time to detect oil fields. Company is CNPC, China National Petroleum Corporation.