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

By Teresa Molinaro | Sicilian countryside, South Italy

By Mark Wralstad | Virginia Beach, VA

By David Hawkes | South Yorkshire, UK

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

By Vincent Bonamo | Coimbra, Portugal

By Hassan Dadashi Arani | Esfahan province. Iran

By Paul C. Peh | San Francisco, CA, USA

By Jennifer Brazier | Sudbury, ON

By Nina Gorenstein | West Lafayette, IN, USA

By Hassan Dadashi Arani | Esfahan. Iran

By David Hoskin | Halifax, Nova Scotia, Canada

By Riste Spiroski | Ohrid, Macedonia

By Cecille Kennedy | Lincoln City, Oregon

By Saranya J | New jersey

By Rui Santos | Pinhal de Leiria, Portugal