People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua

People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua

People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua

People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua

People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua

People visit the 2022 Offshore Technology Conference in Houston, Texas, the United States, on May 4, 2022.Photo:Xinhua