Record seasonal temperatures have seen tourists and office workers alike flocking to the green expanses of London's famous parks to soak up the unprecedented hours of sunshine.

And yet it isn't only the fine weather that sets this summer apart from previous years.

In a break from the norm, park visitors this summer can be seen relaxing on unique deck chairs with fabrics designed by celebrities including internationally renowned designer and widow of Beatles star John Lennon, Yoko Ono.