[jhallenworld]

A good cash crop unfortunately...

To complete the picture, here is how you can drill the well in the first place:

https://www.youtube.com/watch?v=Nn7twImE2ug

[bausano_michael]

Thank you for the link. Satistying to watch tradition meet modernish equipment. Would you know how long does a tube well like this yield water? Do the farmers regularly deepen the drill or just find a new location?

[jhallenworld]

I don't know, but one thing occurs to me: those ponds the opium growers make are essentially batteries.