Picture of the day Small waterfall on Gunung Lambak, one of several along the stream that flows next to the main path up the mountain. This is a focus stack of 2 photographs, and a neutral density filter was used to allow a long exposure time of 2 seconds.

Picture of the day Fields in the Nilgiri mountains in early morning light, near Ooty, Tamil Nadu, India

Picture of the day Operating an aerial camera Wild Heerbrugg from a biplane Häfeli DH-5 (military) for aeronautical photogrammetry. Image captured in 1930.

Picture of the day Platypus or Duck-billed platypus (Ornithorhynchus anatinus) near Scottsadale, Tasmania, Australia.

Picture of the day Boat poled through a mangrove arch, Ashtamudi Lake, Kollam, Kerala, India

Picture of the day Escheckstraße (with mast of a T-bar lift), Schönwald im Schwarzwald, Baden-Württemberg, Germany

Picture of the day View of the coastal artillery site Castillitos, Cartagena, Spain. It was built together with the coastal artillery Cenizas in order to protect the entrance to the Bay of Cartagena in the Mediterranean Sea. The construction took place between 1933 and 1936 following a project from 1926 during the dictatorship of Primo de Rivera. It's a Spanish National Heritage Monument since 1985.

Picture of the day Prinia socialis (Ashy Prinia) in Ajodhya Hills, West Bengal, India.

Picture of the day Golden jackal (Canis aureus) in azureum flowers (Jim Corbett National Park, India)

Picture of the day Pilot boat outside Öja island (Landsort), Stockholm Archipelago's most southern point.

Picture of the day Blunt-headed burrowing frog (Glyphoglossus molossus). Hua Hin District, Thailand.

Picture of the day Euganean Hills are a group of hills of volcanic origin that rise to heights of 300 to 600 m in Veneto, Italy.