Here's the lads in Maissade again. Their smashing up smooth river rocks to make course aggregate for the concrete. They'll need to sieve this through chicken wire to get all the dust out. They also need to sieve river sand to get all the pebbles out. Then 2 woman from the village carry water in buckets ON THEIR HEAD from a river HALF A MILE AWAY.

Just to make a mixer of concrete takes about 20 people an afternoon.