OFFERING a glimpse into the past, a mash-up of old and new photographs show how the world’s biggest cities have changed .

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

As sunlight cascades through its vibrant stained glass windows, every inch of the Nasir-ol-Mulk Mosque bursts with colour .

Puckering up for a kiss, an affectionate pair of owls share a smooch for Valentine's Day .

A bear cub unwinds in a forest in eastern Finland by practicing yoga with a series of stretches .

An adorable young fallow deer peers over its shoulder and is greeted by a cheeky jackdaw crow sitting on its back .

Pint- size Maci Winters only has one wish this Christmas - to be as tall as the other boys and girls on the school playground .

WITHOUT A care in the world, this little snow monkey puts his feet up and settles in for a snooze .

An artist has NAILED IT by creating beautiful and perfectly precise artwork using a hammer and 30,000 nails .

STARING eagerly into the camera, this little toad is full of curiosity .

WITH LUSH GREEN LANDSCAPES stretching out as far as the eye can see, you're in for a treat at these one of a kind treehouses .

HOTSPOT MEDIA - MILEY MASH-UP: MILEY CYRUS’ naked wrecking ball vid has been lampooned in this side-spitting photo-mashup .