Volcano wall explained (with 3D map) (Fagradalsfjall, 2021)

You don't need to be able to outrun a lion to avoid being eaten by it. You just gotta run faster than the other guy.
This wall just needs to be *slightly higher up* than the passage on the other side, where we want the lava to go.
3D model:
https://sketchfab.com/3d-models/fagradalsfjall-volcanic-eruption-10052021-8ccda2a548074532aba7b3e034bb1e68
Overview image from Visir.is article on the wall:
http://52.213.54.2/g/20212108179d/herna-vilja-almannavarnir-ekki-missa-hraunid-lengra

Видео Volcano wall explained (with 3D map) (Fagradalsfjall, 2021) канала Ssongg