http://interactive.guim.co.uk/embed/2014/apr/image-opacity-slider-master/index.html?ww2-dday
PL CLICK THE ABOVE LINK …KINDLY FOLLOW THE STEPS GIVEN BELOW….
Now this is an incredible use of technology—like traveling back in time!
Left click and hold on each photo, and then drag your mouse gently from
left to right on the original photograph and will be become a photo of the
exact same location and view today – drag it back to the left and you are back in 1944!
Scroll down for more of the same. Just fascinating!
Source:::: Input from a friend of mine
Natarajan