Workers work at construction site of one-stop aircraft maintenance base in Haikou

A laborer works at the construction site of a one-stop aircraft maintenance base at Haikou Meilan International Airport in Haikou, capital city of south China's Hainan Province, Nov. 2, 2020.

Laborers work at the construction site of a one-stop aircraft maintenance base at Haikou Meilan International Airport in Haikou, capital city of south China's Hainan Province, Nov. 2, 2020.

Laborers work at the construction site of a one-stop aircraft maintenance base at Haikou Meilan International Airport in Haikou, capital city of south China's Hainan Province, Nov. 2, 2020.

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