It's amazing how anyone can still employ such cleaning methods when water is such a precious commodity. He's cleaning a (practically) unused tennis court at 'College Green' a government owned estate in Singapore managed by United Premas Limited (UGL Premas) unitedpremas.com and ultimately owned by Australian firm United Group Limited unitedgroupltd.com/.

Watch this 1 min video and imagine this going on for hours... and happens again and again every time cleaning is due. Surely there is a simpler and environmentally friendly way to clean the ground!