2,300-year-old Chinese silk manuscripts return home after nearly eight decades abroad

①2,300-year-old Chinese silk manuscripts return home after nearly eight decades abroad ②Cliffside "sky road" turns isolated valley into summer retreat ③China launches Gravity-1 rocket from sea ④China's longest international passenger air route linking Shenzhen, Mexico City handles 50,000 trips ⑤Chinese flying vehicle conducts demo flight in UAE