The workers behind viral wind farm photo

"After intensive work every day, workers often just want to sleep," said Li Dalong, 40, captain of the engineering ship, adding it has become a habit for workers to go to bed and get up early every day.

The engineering ship — 116 meters long, 58 meters wide with a depth of 6.6 meters — is also the main living space for workers. There are different types of rooms equipped with television sets and refrigerators for the more than 70 crew onboard.