Tower crane driver Aluo Chunmei overlooks a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane drivers Jina Xiaohu (L) and Aluo Chunmei prepare to have lunch in their dorm at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Xing Guangli)

Tower crane drivers Jina Xiaohu (2nd L) and Aluo Chunmei (2nd R) take part in a meeting before work at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 25, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Xing Guangli)

Jina Xiaohu walks to a tower crane to work at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Aerial photo shows the construction site of the housing estate in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Xing Guangli)

Tower crane drivers Jina Xiaohu and Aluo Chunmei take a walk at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Xing Guangli)

Aluo Chunmei operates a tower crane at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane drivers Jina Xiaohu (L) and Aluo Chunmei wait for a meeting before work at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 25, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Xing Guangli)

Tower crane driver Aluo Chunmei maintains a tower crane at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane driver Aluo Chunmei finishes her shift at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane drivers Jina Xiaohu and Aluo Chunmei talk with family via video call in their dorm at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane driver Aluo Chunmei climbs down a tower crane after work at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Tower crane drivers Jina Xiaohu (4th L, front) and Aluo Chunmei (5th L, front) take part in a meeting before work at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 25, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)

Aluo Chunmei operates a tower crane at a housing estate construction site in Rongdong area of Xiongan New Area in north China's Hebei Province on Sept. 24, 2020. Jina Xiaohu, 23, and Aluo Chunmei, 22, are a young couple from southwest China's Sichuan Province, who both are tower crane drivers working for a housing estate in Xiongan New Area. There are 2,000 more tower crane drivers currently working in Xiongan, a city often billed as China's "city of the future." (Xinhua/Mu Yu)