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.
A grey whale and her calf greet an audience of awestruck admirers on the Pacific coast of Baja California Sur, Mexico .
A diver attempts to control rising numbers of lionfish by feeding the venomous species to Caribbean reef sharks .
ROLLING across a 65-metre-high viaduct in the Alps, the red carriages of the Bernina Express add a splash of colour to the spectacular snow-covered Swiss surroundings .
Scurrying along the branch of a tree, a little squirrel pushes a pram packed full of Easter treats .
SEA LIFE and greenery in one shot show nature at its very best .
WITH A STERN look of determination on their faces, these adorable pooches perfect their doggy paddle as they dive head first into a swimming pool .
An osprey soars through the air at 30 miles per hour before swooping down to catch its prey from a lake .
AN EXERCISING turtle and an ice-skating chick are hardly everyday exploits in the animal community .
SNUGGLED up in the hay away from the elements, this adorable hoglet has sought solace with a familiar friend .
IN a galaxy not so far away lies a magical display of lights that could be the latest image from NASA .
