①China's large, twin-engine unmanned transport aircraft completes maiden flight ②Shanghai to fully switch to new energy buses, taxis by 2027 ③Scientific expedition team sets sail to explore Western Pacific Ocean ④Well-preserved giant panda fossil discovered in China's Shaanxi ⑤Beijing Music Festival to open in October ⑥Chinese hit the slopes to escape brutal summer heat ⑦A Thousand Whys: An age-old winter tale in China's Altay