Macao makes great strides in economic development since return to motherland

Postman Lao Chan Koi, who has been working for four years, walks to deliver mails in Macao, south China, Dec. 5, 2019. Since its return to the motherland 20 years ago, Macao has made great strides in economic development and achieved prosperity and stability. (Xinhua/Cheong Kam Ka)