One has been a competitive swimmer since 11 while the other switched out her nurse's uniform to train for hours on the water. Swimmer Quah Ting Wen and rower Joan Poh talk to Lin Suling about taking part in the unprecedented Tokyo 2020 Olympics, the extraordinary pressures of competing for international sporting glory, dealing with criticism and why despite it all, they will always choose the tougher life of an elite athlete.

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