Did a guided all-day walk on the amazing Root glacier near Kennecott, AK. Yes, it's kind of sad to see glaciers retreating and melting, but it's a bittersweet feeling seeing these incredible melt pools! I was just wondering how to show the scale, when three other hikers walked by the top ledge, perhaps without even knowing there's a pool down here!

Nikon D750+24-120mm lens @24mm, ISO100, F/6.3, 1/125sec

Slight exposure/contrast adjustment in Lightroom.