XIAMEN, April 23 (Xinhua) -- What is the first thing that pops into your mind when someone mentions a construction site: dusty air, the noise of heavy machinery, or the hard-working workers soaked with sweat?

A construction site in Xiamen City, east China's Fujian Province, was catapulted into the spotlight on World Book Day which falls on Saturday this year, thanks to its heart-warming move by building a library for its 200-plus workers.

The library is located in a container-type mobile room that is around 18 square meters. It was set up by China Construction Third Engineering Bureau Group Co., Ltd., the contractor for an airport project at the construction site, in early April to promote reading and bring knowledge and pleasure to construction workers.

More than 2,000 books in different categories including management and fiction are neatly placed on shelves. On the wall hangs a bulletin board that lists six rules for borrowing books. The room is also air-conditioned so the workers can read comfortably during hot summer days.

"I like reading all kinds of books ranging from non-fiction to romantic novels. The library has them all," said Li Chenghai, a migrant worker from southwest China's Sichuan Province.

Compared with playing games on mobile phones or getting hooked on short video apps, Li prefers reading as books can help him remain calm and broaden his mind.

Li's view was echoed by his fellow worker Dong Xiuqun, who also hails from Sichuan. Dong is more interested in books on health, cooking and parenting.

"The work at the construction site is tiring. I want to learn something to keep myself healthy and inspire me in my daily life," she said. She has worked on many construction sites, but this is the only one with a library.

Yi Jingxing, a 45-year-old worker, frequents the library.

"I like philosophy books and martial arts novels. Whenever I am free after work, I come here and read books," said Yi who dreamed to be a martial arts hero when he was a kid.

China had more than 292 million rural migrant workers in cities in 2021, who have made tremendous contributions to the country's development.

The country has been promoting a reading culture among the public. In 2020, nearly 81.3 percent of adult Chinese had the habit of reading, whether in print, on mobile phones or other digital devices, a national reading survey showed.

In the following months, the number of migrant workers at the construction site in Xiamen will reach over 3,000 at its peak. The site will collect workers' opinions and buy more books for them.

"There is an old saying in Chinese: It's never too late to learn. Only by continuous learning can we enrich and improve ourselves," Yi said.