TIME TRAVELLING PHONE APP

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.

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CROCODILE CAVE DIVING PENSIONER

THIS DANGER-mad female pensioner could be the oldest Brit to cage dive with CROCODILES .

POLAR BEAR PLAY

WITH SNOW COVERING the ground around them, these two polar bears play fight .

CHERNOBYL - 28 YEARS ON

TOMORROW (Saturday) marks the 28th anniversary of the nuclear disaster that left the city of Chernobyl devastated .

OWLS PLAY TUG-OF-WAR

TUGGING on the wing of his sibling, this needy owl is after some attention .

THE SECRET LIFE OF SQUIRRELS

PICKING up a tiny tea-pot with its paws, a little red squirrel struggles to prepare its morning tea .

STUNNING ENGLISH COASTAL LANDSCAPES

WITH STUNNING colours and serene scenes, these photographs capture the otherworldly beauty of the English coast .

BEAUTY AND THE BEAST: SWIMMING WITH SHARKS

Armed with a snorkel, flippers and her skimpy bikini, an intrepid female free diver swims alongside an array of reef sharks .

ADORABLE HARVEST MOUSE CLIMBS DANDELION

Surveying its surroundings, a tiny harvest mouse climbs the stem of a dandelion .

ADORABLE POLAR BEAR CUBS PLAY-FIGHT IN THE SNOW

A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow .

THE ENCHANTING FOREST OF FIREFLIES

WITH the phosphorescent blobs and mesmerising patterns, these spectacular images may look like the hall marks of an enchanted forest but it is in fact the scene of thousands of dancing FIREFLIES .

DIVERS EXPLORE UNDERWATER CANYON WITH 100M VISIBILITY

A diver explores the crystal clear waters of the Silfra canyon in southern Iceland, which is the only place on Earth where you can dive or snorkel between two continental plates .

KUNG-FU FROG IMITATES KARATE KID

Balanced on one leg, a frog assumes the crane kick martial arts stance made famous in the movie The Karate Kid .