Copenhagen & Transatlantic Cruise

The natural formation of stalactites and stalagmites are not uncommon for concrete structures, yet none anywhere can offer the sheer magnitude and diversity of those found in Cisternerne
Canon EOS 7D Mark II, EF-S18-135mm f/3.5-5.6 IS STM, 69 mm, ISO 6400, 0.5 sec at f / 5.0, © 2016, David W. Boston