Celtic are back in Premiership action against Hearts on Thursday as they look to keep the heat on Rangers at the top of the Premiership.
But that was no easy task in the near sub-zero Glasgow temperatures as Ange Postecoglou put his players through their paces at Lennoxtown.
It may have been baltic but there was no drop in standards as Celtic looked to keep the momentum building after their win over Aberdeen at the weekend.
Depending on how Rangers fare against Hibs on Wednesday, a victory could move them to within a single point of the league leaders.
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