In China, tourists can take a hike — or let a robot do the work

①China-developed AS700D electric manned airship completes maiden flight ②In China, tourists can take a hike — or let a robot do the work ③Shanghai rolls out three-year plan to promote tourism ④New air route links China's ancient city with Malaysia ⑤Study reveals global urban vegetation dynamics from 1990 to 2021 ⑥A Thousand Whys: "Jingzhe", a time of renewal and growth