Here is the link for the location above. Next spring I'd like to get out to the intersection of one of these. They possibly reach 300' in height and from what I saw not hikeable. Plus you have no clue they are there. I just happened to see them a few days ago looking at something else.
Talk About Scary (Not Me)
I read this account of what happened to these travelers very recently from Wyoming while in Peru and the bad did not stop for a long time. This is totally bizarre. LINK