Zhuang Jing is a professional Hotel Test Sleeper in Beijing, China.
Back in 2010, she was selected as one of three final winners out of a total of 7,800 candidates to start working for online company Qunar as a hotel tester.
She has slept in countless hotels, documenting her experience with the room and staff of each to help travellers make the best choice on where to stay.
We’ve put together this collection of photographs from Reuters that take you through a day in her life, revealing what it is hotel testers look for when they write their reviews.
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