We cannot see things like the movement of a sponge because its movements are too slow. But with specialized photography we can see imperceptibly slow and fast movements. See the dynamics of a child's first steps, rainfall, nocturnal animals and butterflies in flight-and the incredible archer fish.
Uncovering what is left of Hitler's ambitious structures which were built in a bid for world domination, beginning with a look at the Atlantic Wall. Created in order to protect Europe from an Allied invasion it stretches thousands of kilometres from France to Norway, and on D-Day the fortifications were put to the ultimate test.