A tourist seeking to take pictures of Yellowstone National Park crashed a camera-equipped drone into its largest hot spring, possibly damaging the prized geothermal feature, a park official said on Wednesday...More at The Raw Story, including this interesting tidbit:
It was not clear if the drone that crashed Grand Prismatic Spring on Saturday and sank into its depths would damage the geothermal feature, park spokesman Al Nash said, and officials were still trying to decide whether to remove it.
Fishing Cone Geyser on the edge of Yellowstone Lake was a popular catch-and-cook site for anglers. “People would... catch a fish and then drop that fish into the thermal feature where it would cook,” said Nash.
He added: “Once it was determined there was arsenic in the geyser water, that practice stopped."