VIDEO: Rosberg climbs Petronas Twin Towers in KL

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When Nico Rosberg says he must “find that little bit extra” to beat team-mate Lewis Hamilton, he means it.

The Mercedes driver’s latest work out in Malaysia saw the 29-year-old take up the challenge of reaching the top of the Petronas Twin Towers by running all 2,170 steps and 84 floors.

We will see on Sunday if Rosberg’s intense gym session gives him an edge over the reigning world champion around the Sepang International Circuit.

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