By Peter Lowenstein | Mutare, Zimbabwe

By Lorraine Boyd | Cohoes, NY

By David Hoskin | Halifax, Nova Scotia, Canada

By KATHIE O'DONNELL | DEVIL'S TOWER NATIONAL MONUMENT

By Steve Pond | East Grinstead, Sussex, UK

By Leann Siembab Cormier | Westbrook, Connecticut

By Padraic Koen | Balaklava, South Australia, Australia

By Roberto Ortu | Cabras, Sardinia, Italy

By Peter Lowenstein | Mutare, Zimbabwe

By Denis Goyette | Mandeville Québec, Canada

By Mike Boccabella | Irwin. Pa, USA

By Nina Gorenstein | West Lafayette, IN, USA

By Nina Gorenstein | West Lafayette, IN, USA

By Steve Wilson | Salina, Kansas USA

By Cedric Loe | Fourways Gauteng South Africa

By Mohamed Mohamed | Triopli,Libya