They found these 21 special things in a drained canal in Paris - Part 4

They found these 21 special things in a drained canal in Paris - Part 4

A dam in the canal

To clean the canal, it had to be cleaned by a side-to-side water dam dewatering process. This way, the trash could be separated from the water.

Image: IMG_2798 by flightlog under licence CC BY 2.o