Ich liebe diese Ansicht! Wo ist es? Lux?

Looks like Clausen to me.

I reverse image searched this and the photo was taken by Facebook user Sihle Maseko who lives near Burnshill, Eastern Cape, South Africa.

https://www.facebook.com/share/1GzJkVyXLo/

So I am afraid you need to drive a little distance to get to this spot, not very close to Luxembourg. 😅