The Cathedral of Saint Paul is bathed in blue light as it prepares to preside over the 2015 Red Bull Crashed Ice races.
Thousands of gallons of water are poured into the trough-like downhill skating track to prepare for the 2015 Red Bull Crashed Ice races.
Crews have been building the track for weeks and have now flooded it with water to be frozen for the weekend's Red Bull Crashed Ice 2015 downhill skating race.