After a snowy winter in the Sierra Nevada mountains, warming spring temperatures mean Yosemite's waterfalls are rushing, and so are the hordes of tourists hoping to see them in all their glory. However, some visitors are clambering over guard rails and getting far too close for comfort at a site that's proven deadly for many who came before them.
In a video circulated by the Instagram account Tourons of National Parks, which you can view below, around a dozen clueless park visitors are seen casually milling around on precarious rocks overlooking Vernal Falls, which is in full flow.
