Installing a modern straw roof - GIF

Installing a modern straw roof.

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Previously:

1929 Fiat factory rooftop racetrack - photos
Man dodges flying roofing sheet - GIF
Mine roof bolting - GIF
Pouring a concrete roof - GIF
Rapid roof remover tool - GIF and video
Roof machine - GIF

"In dry seasons it might be a fire hazard"

Newest competitor for "best statement of the obvious" award.

I was surprised by the introduction, laying mats, by crane. Possibly that was laid below the vapour barrier we saw later. Maybe this is a recent innovation, I would like to know.