Business Insider India has updated its Privacy and Cookie policy. We use cookies to ensure that we give you the better experience on our website. If you continue without changing your settings, we\'ll assume that you are happy to receive all cookies on the Business Insider India website. However, you can change your cookie setting at any time by clicking on our Cookie Policy at any time. You can also see our Privacy Policy.
Photos taken before the turn of the 21st century show tourists interacting with wildlife and edging much too close to thermal areas like geysers — take a look.
Advertisement
In 1958, a man attempted to feed a bear while a friend snapped pictures nearby at Yellowstone National Park.
Guests are instructed to refrain from feeding the wildlife at national parks.Carl Iwasaki/Getty Images
Two men crouch and snap photos of a resting bear cub at Yellowstone National Park in 1965.
Men take photos of a bear cub at Yellowstone National Park in 1965.Bettmann/Getty Images
Advertisement
Tourists at Yellowstone National Park watch bear cubs hang from their car window in 1970.
The National Park Service advises tourists to avoid interacting with bears, even in vehicles.Bettmann/Getty Images
A bear chews on a tourist's tripod at Denali National Park and Preserve in 1994.
The NPS suggests people use binoculars, a spotting scope, or a telephoto lens to photograph wildlife.Wolfgang Kaehler/Getty Images
Advertisement
A tourist sitting in a car tried to touch a bear cub while at Yellowstone National Park in 1997.
There's an average of one bear attack each year at Yellowstone National Park, per the NPS site.Dean Conger/Getty Images
A group of tourists inspect a geyser at Yellowstone National Park's Upper Geyser Basin in 1903.
Yellowstone National Park contains more than half the world's geysers.Heritage Images/Getty Images
Advertisement
Tourists stand very close to a geyser basin at Yellowstone National Park in 1920.
The water in thermal areas can cause severe and sometimes fatal burns, per the National Park Service.George Rinhart/Getty Images