Carolina Marin is one of the biggest names in world badminton. At 23, the Spaniard is already a double world champion and Olympic gold medalist. For aspiring athletes wanting to get into the sport, in this video Marin shares her top tip. INTERVIEW: Indian badminton sensation PV SindhuMubadala WTC 2016: All you need to knowMarin on life since Rio and looking ahead to DubaiWATCH: Badminton's elite gather in Dubai