I think I literally cringed when I saw the photo above, entitled "My mom hiking in Chile during an electrical storm." She could have been milliseconds away from receiving a surge of energy that can explode tree trunks and fuse sand into glass. But she and a friend are taking photos of their hair.
Via Reddit, where the risk and countermeasures are discussed, and where earlier this week I found a thread about this man -
- who has a Lichtenberg figure on his arm (see also here).