Weekend readers’ pictures: cleanse

'Myself and a friend under a waterfall in the Blue Lagoon Reykjavik one cold New Years Day. It was cleansing but a bit of a torrent as you can see from our expressions!'Photograph: Beka Kimberley

'The contortionist of the African, Circus Mandangue backstage at the Roundhouse Circus Festival. He was amazingly twisty!' Photograph: Dave Pickens
Weekend readers’ pictures: Twist. From rollercoasters to chains: your best pictures on this week’s theme, Twist