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.
Like a scene from a fairytale, THOUSANDS of fireflies create an enchanting glow as they dance in a forest .
Families in an Indian slum put their lives on the line by living on top of an ACTIVE railway track .
This cheeky macaque gets up close and personal as he examines the dental hygiene of his fellow primate .
TRYING their best to wriggle away, three adorable tiger cubs receive their health checks at Chester Zoo .
SPURTING water 20ft into the air, this is one well you wouldn't want to dip your bucket into .
RACING through the mountain range on horseback, the Kazakh people practice their ancient tradition of hunting with golden eagles .
A mining town in Australia’s outback appears to be completely deserted, but its residents have escaped the scorching heat by living in underground caves .
MAKING himself at home, this little snail perches happily on top of this frog's head .
A Romanian photographer has captured the unique patterns of hundreds of human eyes in a series of striking macro shots .
IN a galaxy far, far away, this collection of stunning interstellar formations will leave you STARSTRUCK .
ALL IS not as it seems in these deceptive cityscapes .