How water striders can walk on water.
More pictures from the same spot at the banks of the Pinnau.
Looking more closely, you can see the water strider:
And now a real close-up from the pond in my parents’ garden (because those pesky little bugs are too fast to take pictures off when you are ashore and they are on the water, and the water is wider than a meter in each direction).
See how you can see the impression its feet make on the water surface?