Secret underground tennis training space created by sport and wellbeing agency

Sportswear and accessories brand Under Armour provided a top secret underground training facility for Andy and Jamie Murray in the run up to Wimbledon, with help from creative agency PrettyGreen.
To help the tennis champions prepare for the finals, the team at PrettyGreen created a unique and unusual training court in the tunnels underneath the streets of London, so that the brothers could train with zero distractions. 
The stunt, which took place in the same week as the EU referendum, inte