By Hassan Dadashi.arani | Esfahan.iran

By Dr Ski | Valencia Observatory, Central Philippines

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Barbara Blair | seen from Murren Switzerland

By Robert Williams | Hanover, Pennsylvania

By Gary Deacon | Fish Hoek, Western Cape, South Africa

By Lisa Delcour | by hannibal missouri

By Lisa Delcour | by hannibal missouri

By Lisa Delcour | by hannibal missouri

By Tom Marsala | Menifee, CA

By Tom Marsala | Menifee, CA

By Kaliannan Shanmugasundaram | Soeng Sang Town, Thailand

By Kaliannan Shanmugasundaram | Soeng Sang Town, Thailand

By Dr Ski | Valencia Observatory, Central Philippines