You are viewing a single comment's thread from:RE: Thermopolis Mineral Hot Springs 2019, part 5 - Wondrous WyomingView the full contextgoat-girlz (62)in #photography • 7 years ago Oh wow! It looks like a spill in slow motion!
It is exactly that! This is where the water has flowed over the edges of the cliff, but left the mineral deposits behind.
And I'm pretty sure that some of the swallows build nests underneath, wherever it's dry enough.