The Sydney Skyline is seen before the lights are switched off for Earth Hour on March 26, 2011 in Sydney, Australia. Earth Hour encourages individuals around the world to turn off their lights for one hour at 20:30 local time on March 26, 2011 to take a stand against climate change. The largest Earth Hour was in 2010 when 128 countries participated.

In this handout image provided by the City of New York, a Nissan NV200 is seen as a New York City taxi cab in New York City. The Taxi and Limousine Commission along with New York City Mayor Michael Bloomberg announced the Nissan NV200 designed by Nissan North America, Inc., has been chosen as the winner of the Taxi of Tomorrow competition and will become the City's exclusive taxicab for a decade. (Photo by City of New York via Getty Images)

Andre Ermolaev is a photographer from Moscow, Russia (featured previously). In an ongoing series of aerial photos, Andre captures Iceland’s incredible landscape like you’ve never seen. Many of his images focus on capturing glacial rivers flowing through Iceland’s volcanic areas and the patterns and colours that emerge from the resulting flow.

If you are interested, the Korean call this style Trot (ppongjjak); a very simple life story is told with three guitar chords – quite a typical situation for our planet. Long-legged dolls from LPG (by the way, “Lovely Pretty Girls” could be “Long Pretty Girls”) are certainly smiling, though it would have been more logical for them to cry their hearts out, but that's what the Korean are like; who has seen doramas, will understand.

The Photo London Master of Photography award is given annually to a leading contemporary photographer. A special exhibition shows new and rarely seen images from Burtynsky’s portfolio. Here: Morenci Mine #2, Clifton, Arizona, USA, 2012. (Photo by Edward Burtynsky/Metivier Gallery, Toronto/Flowers Gallery, London)

Paddington the Shar Pei dog and his best friend cat named Butler are perhaps the cutest pair you've ever seen. The two of them live with their owner Annie Jacob and three other cats in Tasmania on the south coast of Australia and are pretty much inseparable.

“I have seen batches of banknotes worth more than $2.6 million, but beyond all doubt, gold bars look much more attractive!”. – Shamil Zhumatov. Photo: Cooling-down gold ingot. March 14, 2013; Tien Shan mountains, Kyrgyzstan. (Photo by Shamil Zhumatov/Reuters)

The Royal Flycatchers are birds in the genus Onychorhynchus in the Tityridae family. Depending on authority, it includes a single widespread, or four more localized species. The specific epithet of the type species, coronatus, and the common name of all the species in this genus, Royal Flycatcher, refer to the striking, colourful crest, which is seen displayed very rarely, except after mating, while preening, in courtship as well as being handled.