However, if your job involves the more delicate scents of lavender, ylang ylang and neroli, then the stench of mercaptan is more jarring.

BBC: How 'Le Pong' engulfed Kent and Sussex

With top notes of mandarin, grapefruit and neroli, it awakens the senses like an amuse-bouche, before revealing lingering notes of Iris pallida (a sweetly scented variety native to Italy).

WSJ: Purple Reign: Iris Fragrances

Five athletes - all in summer sports - have competed in the Paralympics and Olympics - South African swimmer Natalie du Toit, American runner Marla Runyan, Polish table tennis player Natalia Partyka, Italian archer Paola Fantato and New Zealand archer Neroli Fairhall.

BBC: Blind skier Brian McKeever makes Olympic history