England's Joe Root (Captain) & England's Ben Stokes bend their knees & dip with each thump of the groundsman's tamping / thumping / levelling tool as he flattens the bowlers' foot holes England v South Africa, 2nd Test Match, Day 3, International Cricket, Trent Bridge, Nottingham, UK - 16 Jul 2017 Credit: Andrew Fosker / Seconds Left Images