By Jon Greif | San Francisco Bay, view of the City from Emery Cove in the East Bay.

By Ken Gallagher | Lake Havasu City, Arizona, USA

By Luciano Fricke | Passo Fundo, RS, Brazil

By SF Goh | Yishun, Singapore

By Larry Stein | San Diego

By GARY ROBERTS | Tucson, AZ

By GARY ROBERTS | Tucson, AZ

By Jon Rubin | Mountain House, CA, USA

By Kannan A | Singapore

By Joel Weatherly | Edmonton, Aberta, Canada

By sam Sievers | vincennes,In.

By Sam Sievers | Vincennes,In.

By Dean Breon | Waddell, AZ

By Kayla Calahan | Guyton, Georgia, USA

By Dr Ski | Dumaguete, Philippines

By Dr Ski | Dumaguete, Philippines