Place in Poland where you may walk under river with the dry feets...

Fojutowo - Unique aqueduct in North Poland, located in Bory Tucholskie, one of the oldest forests in Europe.
A crossing between river and man made channel - hydrotechnology originating in past centuries. This place was build in 1848 in order to enable the crossing of creeks. Lower flows Czerska Struga - natural creek, upper flows Grand Channel of Brda River (man made).
How does it look from space, you can see below on the picture from satellite.


The upper channel...







Then you go won the stairs...

And uder the channel... like here....

Water is very... very clear...