Volcanic shapes

PENTAX K-5 II s, 100.0 mm, f/5.6, 1/250 sec, ISO 80 | smc PENTAX-DA 18-135mm F3.5-5.6 ED AL [IF] DC WR | CC-BY-NC-ND-4.0

There is no backstory with this one, I simply liked the shapes complement eachother.