China-led global standards on smart city: How will it shape human urban life?

①U.S. leads in missile tests, yet criticizes China: double standards, strategic anxiety, or both? (00:44) ②A China-led international standard on smart city data utilization is released. How will it shape future human urban life? (12:49) ③Putin makes his first visit to an island disputed with Japan. What messages is he sending to Japan? (24:01) ④China's homegrown C919 jet makes international debut.…