Latest vandalism news
Yellowstone's Morning Glory Pool is a hotspot for vandalism – and it's changed the water
People have been throwing litter into the pool since the 1880s, and damage is still being done
Tourists are ruining the amazing 'cannonballs' at Theodore Roosevelt National Park
Not a single one of the cannonball concretions is free from graffiti, and it's speeding up their erosion
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