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Cheng Wei, founder and CEO of Didi, said in the past Didi had been committed to optimizing software. But in the next 10 years, Didi will optimize software and hardware simultaneously and rapidly iterate products and services.

Chen Jining, mayor of Beijing, said the capital city has regarded the intelligent connected vehicles sector as one of the key development directions for advanced industry since last year, and has introduced special supportive policies to promote open road tests for self-driving vehicles.

Chen, who helped in the rescue, said the 2.2-meter dolphin was an adult male and was suffering from breathing trouble, low temperature, muscle injuries and malnutrition when it was found.

Chen has had to take dry clothes and a towel to work. However, he did not see sweating under the scorching sun as hard labor.

Chen said that Asian nations have participated in and upgraded global value chains, leading to improved regional economic integration and deeper involvement in the global economy. "Asia, has gradually become the most promising region for growth and an important constructive force for global economic governance."