COMBUSTIBLE ICE MINING TRIAL
China completed a 60-day trial of mining gas hydrates, commonly known as combustible ice, in the South China Sea in July 2017, marking breakthroughs in human's search for alternative clean energy sources.
Photo taken on June 21, 2017 shows the trial mining site in the Shenhu area of the South China Sea. (Xinhua file photo/Huang Guobao)
