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The boundaries are blurring at London's Virtual Reality Festival

Chased by ghosts, plunged into the deep blue ocean, Chloe Hamilton was virtually blown away by her immersive experience of the first Virtual Reality Festival in the UK, which brought the biggest names – and the best tech – in the business to London

Meet Billy Mitchell - the last of the desert cowboys

Billy Mitchell has spent his life farming the arid Mojave desert, continuously searching for water to slake the thirst of his 140 cattle. The photographer Zoe Childerley discovers what drives him on as he approaches his seventies – and hears of his struggle to convince his four daughters to carry on a 150-year tradition