A large bison blocks traffic as tourists take photos in August 2016 of the animals in the Lamar Valley of Yellowstone National Park in Wyoming.
A large bison blocks traffic as tourists take photos in August 2016 of the animals in the Lamar Valley of Yellowstone National Park in Wyoming. Matthew Brown Associated Press
A large bison blocks traffic as tourists take photos in August 2016 of the animals in the Lamar Valley of Yellowstone National Park in Wyoming. Matthew Brown Associated Press

Yellowstone Park vehicle traffic nearing capacity

August 17, 2017 05:05 PM