Las Hurdes

Having collected their leaves the villagers return home.
They spread out the contents of their sacks indoors.
People and animals alike sleep on the leaves.
The leaves gradually decompose. And, several months later:
...they can be used as fertiliser.
A house in Fragosa.
A bed of leaves extends from the doorway.
Every home in Las Hurdes is like this.
A typical interior.
The utensils are primitive and few.
The smoke escapes where it can. There's no chimney or windows.
In summer the water courses run almost dry.
This leads to malaria brought by anophelese mosquitos.
Almost everyone in Las Hurdes has malaria.
A battle against the disease is being fought...
:19:42 doctors in the three "Trading Posts" of Las Hurdes.
The larvae have to rise to the surface to breathe.
If it stays parallel to the surface it's anophelese.
If it stays perpendicular, it's a culex larva: and harmless.
The adult anophelese is found in every home.
See how it rests perpendicular to the wall.