Four heaters serving up boiling water to the traders around Kabul’s Pul-e Khishti Mosque, with a box of tea-pots, fresh tea leaves, and a container for tea dregs. It sits as a stark reminder of continued privatisation of life that you can find from Tokyo to London. There’s now so much money wrapped up in offering us liquid sustenance that in my culture, and probably also yours – providing fresh tap water to the high street public and something clean to drink it out of could be considered a subversive act.