Kayaking or Climbing?

Today I turned up to Bridgwater Canal expecting to go paddling and thought there may be a bit of ice around. The Canal was frozen solid and took three blows from a metal bar to penetrate the ice. This obviously ment I had a choice to make about how to amuse my students for the rest of the morning, although skating about on kayaks crossed my mind,we headed into the climbing wall where it was warm and spent a few hours bouldering and climbing routes. Much better than freezing out on the canal.