OFFERING a glimpse into the past, a mash-up of old and new photographs show how the world’s biggest cities have changed. A new phone app allows users to travel back in time by overlaying vintage images, such as London's Tower Bridge in 1892 or the Eiffel Tower in 1940, with how the locations look today. Users can compare the past and present of cities such as London, Paris, Washington and Saint Petersburg. This window to the past was created English entrepreneur David Webb, 45, the creator and CEO of the Timera app.
HUNDREDS of hot air balloons decorate the sky above Turkey as the rising sun illuminates the spectacular scenery below .
ESCAPING A LANDFILL FUTURE, these amazing science fiction inspired sculptures are made from everyday objects .
BEAUTIFULLY lit by the dim glow of lanterns, a cave in Iceland is transformed into the perfect wedding venue .
These are the men with one of the most unpleasant jobs in the world .
SURROUNDED by a snowstorm, these young polar bears battle the elements - as well as each other .
An osprey soars through the air at 30 miles per hour before swooping down to catch its prey from a lake .
A Birmingham man inspired by sci-fi film Wall-E, has created a one- wheeled vehicle, controlled by signals from his BRAIN .
DIVING boffins fired harpoons into 30-foot-long whale sharks in a bid to put the sea-beasts on Google Maps .
ALL IS not as it seems in these deceptive cityscapes .
MESMERIZING night sky photographs offer a spellbinding look at the stars .
NEW DELHI, A woman activist of India's main opposition Bharatiya Janata Party crosses a police barricade near the residence of ruling Congress party chief Sonia Gandhi during a protest against the recent rape of a five-year-old girl in New Delhi, India, April 21, 2013 .