Coming Clouds
A few sun rays light up the dramatic sky after an intense thunderstorm. At the same time, Castle Geyser erupted, spouting a 60 m high fountain of water and steam. Yellowstone is the largest thermal area on earth exhibiting more than 10.000 geysers, fumaroles, clear pools and mud pools.
August 1998
Pentax MZ5, Pentax 28mm, f/11, 1sec, Kodak Ektachrome E6, ISO 100, polarization filter, tripod