English tutorials and info pages



I can't watch your video, it doesn't play.


Often there is a problem concerning mobile devices.

Don't use an app, use a browser.

Change to desktop view, if it is necessary.



I can't find the video, I do not see it.


Videos on this website are linked through an image or they are embedded as playable videos.

Klick on the picture to be directed.

if you can't see an embedded video, it could help to flip your screen. Also here use a browser and the desktop view.











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