Last year Kazakhstan became the second biggest crypto-currency mining country in the world, thanks partly to a vast mine containing 50,000 computers in the desert near the northern city of Ekibastuz.
Young men work 12 hours a day for 15 days in a row without leaving the site, in order to keep it running round the clock.
But the rapid growth of crypto-mining in the country has put pressure on the energy sector ... Read even more
