Macao makes great strides in economic development since return to motherland

Postman Lao Chan Koi, who has been working for four years, delivers a mail in Macao, south China, Dec. 5, 2019. 

Pui va Middle School teacher Un Kam Sok, who has been working for 20 years, is seen at her office in Macao, south China, Nov. 26, 2019. 

Cheang Kit Long, a director of garden department at the Galaxy Hotel who has been working for two years, prunes plants at the hotel in Macao, south China, Dec. 3, 2019. 

Senior Chinese official opposes, condemns U.S. interference in China's internal affairs Third Pingnan Bridge in Guangxi to be put into use at end of 2020