Frost
During the cold season the humid air cools down to –20°C during the night covering the trees of the Hohe Tauern in Austria with rime. Hence, millions of ice crystals sparkle like diamonds in the low winter sun.
December 2000
Pentax K2, Sigma 70-300mm, f/8, 1/250sec, Kodak Ektachrome E6, ISO 100, polarization filter, tripod