Last rays of the setting Sun some times produces a green flash. Heres a few I imaged during my holidays.

Site:	Playa de las Américas, Arona - Tenerife	28°" N, 16°" W
Time:	West European Time zone (UT)	January 2002
Camera:	Canon EOS-1v	hand held
Lens:	Canon EF 70-300mm f/6.3	at 300mm
Exposures:	automatic	at f/16
Film:	Fujicolor negative	400 ASA

Click thumbnails to get larger images.