As boss Robert Mancini attempts to transform the big spenders into a top four side, he has installed a 'hill of hell' at the Carrington base.
Stars such as Carlos Tevez and Mario Balotelli will be forced to race up the 25ft long mound - which stands at 10ft tall - during the weekly shuttle runs.
Nightmare: The hill that Manchester City's stars will be forced to run up each week
Mancini already has City's players dragging HGV tyres around the training HQ to build strength, although the programme has not gone down well with the squad as they prepare to challenge the likes of Manchester United and Chelsea.
Earlier this summer, the Italian said: If you want to win the Premier League or Champions League, you have to be well prepared in every area - whether that is tactics, or running, or power.
'If these things are not good, it is impossible to win.'
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