By David Hawkes | Sheffield, UK

By Hassan Dadashi Arani | Esfahan. Iran

By Teresa Molinaro | Palermo, Sicily

By Asha Prasad | Minnesota, USA

By Victoria Bryhan | Corvallis, Oregon

By Mandy Daniels | Derbyshire, UK

By Hassan Dadashi Arani | Esfahan. Iran

By David Hoskin | Halifax, Nova Scotia, Canada

By Rui Santos | Amor, Leiria - Portugal

By Mark Wralstad | Virginia Beach, VA

By Tushant Sachdeva | Guru Har sahai, Punjab, India

By Teresa Molinaro | Cefalù, Sicily, Italy

By Mark Boiquaye | Accra, Ghana

By Cecille Kennedy | Depoe Bay, Oregon

By Jelieta Walinski Ph.D | Desert Bloom Observatory, AZ, USA

By Hassan Dadashi Arani | Esfahan province. Iran