Layers of volcanic ash

PENTAX K-5 II s, 50.0 mm, 1/400 sec, ISO 200 SMC Pentax-M 50mm F1.7 CC-BY-NC-ND-4.0

Lanzarote has a unique lake: it's completely green, called El Lago Verde. The colour is due to the different volcanic ash falling into the small lake: all these magnificent slopes around it are contributing to creating that green water.

map showing the location where the photo 'Layers of volcanic ash' was taken at
28.844, -13.787