Close-up view of the fumarole Big mouth of the solfatara of Pozzuoli
2017
01/04
NIKON D800, 24.0-70.0 mm f/2.8 @
f/8.0 10/1,
ISO 100
76
views
The reddish-yellow color is given by the vapors containing salts such as realgar, cinnabar and orpiment which, by settling, alter the color of the soil.
