Things you learn in the internet

This afternoon we watched a tutorial how to cut my stop-motion film. The funny thing about YouTube is to stumble from one theme to the next one.
We ended at a documentation about a storm surge on a Hallig. 
Halligen are small islands without protective dikes. In former times they were parts of main land. Five years ago I was on the Hallig Nordstrandischmoor, too.

Things you learn in the internet :-)