By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Dr Ski | 9.3°N, 123.3°E

By Erick Almeida | North Hills CA

By Hassan Dadashi.arani | Esfahan.iran

By GiGi Nielsen | Steamboat Springs, Colorado, USA

By Dr Ski | Valencia Observatory Garden

By Rita Raina | Rockville, Maryland, US

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By kevan hubbard | Hartlepool, Co Durham, England

By kevan hubbard | Northallerton, Yorkshire, England

By Carol Comer | Great Barrier Island New Zealand

By Susan Boyd | Abisko National Park Sweden

By Sandra Dziedziula | Montrose MI

By Riste Spiroski | Ohrid, Macedonia