Wangchuk's stu­pas of ice

Down to Earth - - GOOD NEWS -

The con­i­cal shape of glaciers, which re­sem­ble Bud­dhist stu­pas, means min­i­mum sur­face area with max­i­mum vol­ume Reser­voirs can be con­structed any­where, even at rel­a­tively lower al­ti­tudes De­sign does not re­quire much labour, bar­ring the one-time in­stal­la­tion of pipes

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