Mystery photo challenge: Where in the world is this port?

Editor's note:

(CNN) -- Thank you to everyone who took part in our mystery photo challenge!

Congratulations to everyone who answered Hong Kong.

To recap, here are the clues we provided:

Hint one: More than seven million people live in the territory where this port is located.

Hint two: It is one of the busiest container ports in the world, handling 23.7 million containers in 2010.

Hint three: Its central location means it is an important hub for the region, with container line services going to approximately 480 destinations around the world.