The first few (English language) responses to youtube searching on "no go zone", not all negative btw:
https://www.youtube.com/watch?v=pochreLwrQs
https://www.youtube.com/watch?v=J04Ej1DYO4o
https://www.youtube.com/watch?v=RTtzMlZ6eGM
https://www.youtube.com/watch?v=oCsEqKjP9p0
https://www.youtube.com/watch?v=-wkePk1-1IE