In seeing a scrambling horde of travelers desperately trying to board a train, or a sea of colorful umbrellas blurring the line where sand meets sea, we are reminded of just how lucky we are to find room to maneuver.
The current world population of over 7 billion is expected to reach 9.6 billion by 2050, according to the UN.
These startling images of global landscapes capture the world's vast population already at its most squeezed — from train stations to tower blocks to sunny beaches.
If you're after a sunbed in Qingdao, east China, you'll be queuing for some time.
You might not even get to swim at all at this artificial wave pool in Sichuan province.
And if you find yourself in Liaoning province, close to North Korea, you'd be lucky to find room to do anything at all.
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