Editor's Note:
Whether packed in buildings or hanging outside them from harnesses cleaning the windows, International Workers' Day on May 1 celebrates the unsung heroes that keep the rest of us repaired, cared for and squeaky clean. Here’s a look at what China’s workers do on the daily and where they do it.
Job: Bulldozer operator
Age: 24
From: Inner Mongolia
Gao has been driving heavy machinery for about 6 years, and works 12 hours a day. He said dealing the vibrations in the cab from the engine is exhausting. Photo: Li Hao/GT 
Name: Yang Shulan
Job: Vegetable vendor
Age: 40
From: Chengdu, Sichuan Province
For the past 7 years, Yang has been getting up at 4 am everyday to stock up on vegetables and working until 7 pm. She hopes to save up enough to buy insurance and retire. Photo: Li Hao/GT
Name: Zhao Wenlong
Job: Landscaper
Age: 65
From: Chaoyang, Liaoning Province
Zhao said he gets paid 65 yuan ($10) a day. Photo: Li Hao/GT 
Name: Zhang Lizhuo
Job: Courier
Age: 31
Zhang said he works 14 hours a day, and works without breaks during big sales and festivals. Zhang said he'll keep working so his family can have a better life. Photo: Li Hao/GT 
Name: Liu Chengyan
Job: Security guard
Age: 49
From: Changzhi, Shanxi Province
Liu works at a city park. He’s only been on the job for a month, where he works 7-hour shifts and earns 2,000 yuan ($308) a month. Photo: Li Hao/GT 
Name: Zhang Lei (pseudonym)
Job: Masseuse
Age: 27
Over the past 10 years, Zhang Lei (pseudonym) estimates she has washed and massaged 15,000 feet. She’s waiting to be promoted to “intermediate masseuse,” which promises wages of 22 yuan ($3.3) per customer. Photo: ifeng.com 
Name: Yu Jumei
Job: Assembly line worker
Yu Jumei works at a cooking oil bottling plant at a food industrial park in Hunan Province, where she puts in 8 hours a day for 2,000 yuan ($308) a month. Photo: CFP 
Name: YY
Job: Model and clothing seller
Age: 22
From: Jinhua, Zhejiang Province
YY (pseudonym) operates a clothes store in Changsha, Hunan Province. She also models her fashions and promotes them through social media. Photo: ifeng.com 
Name: Liu Donghua
Job: Caretaker
Age: 60
Liu Donghua works at a community nursing home in Changsha, Hunan Province. Liu said she has worked in the home for 28 years, where she cares for about 400 people. Photo: ifeng.com 
Name: Li Jia
Job: Hotline operator
Age: 26
As a hotline operator at a newspaper, Li said she takes about 150 calls a day. Photo: ifeng.com
