Source:
https://scmp.com/article/655752/vigilant-eye-skyA vigilant eye on the sky
Intense concentration is the name of the game for the team of air traffic controllers on duty at Chek Lap Kok
Nothing provides a more vivid illustration of Hong Kong's claim to be a city that never sleeps than the airside operations zone at Chek Lap Kok. Long after midnight intercontinental passenger flights await clearance for takeoff, cargo-laden freighters hurtle down the runways and private jets whisk late-departing celebrities or business tycoons off on another overseas jaunt.