New fitness track to link Beijing and Zhangjiakou

①New fitness track to link Beijing and Zhangjiakou ②China's 2nd domestic large cruise ship to start operation in 2027 ③Shanghai Museum throws a party for pet cats during "Fantastic Night" event at ancient Egyptian civilization exhibition ④Espying millennium-old relics in China's underwater museum ⑤A Thousand Whys: How Chinese people welcome the Beginning of Autumn?