I went out to Trakai on Sunday to hear a friend’s daughter sing with her school choir. The concert took place in a restored manor house on the lake. Instead of driving around the lake on snow-covered back roads, we parked the car and walked across the lake to the manor house. I have to admit, it made me a bit nervous because it is a big lake and I found it difficult to believe that it was really frozen solid enough to walk on. But lots of other people were walking on the lake and I didn’t see anyone falling in, so I bravely set out across the ice.