frozen waterfalls

The cold snap that gripped huge parts of the country earlier this month put me in mind of one of my favorite things - and I feel deprived, because I've never lived in a place where such things happen. Back in 1984, Judy and I took a train trip across Canada from Vancouver to Banff.  It was November and brutally cold by the time we reached our destination, but we braved the wind and snow to do a bit of hiking in the beautiful terrain near Lake Louise - just breathtaking, both literally and figuratively. While walking along a stream, we came across a cascade that started about ten feet over our heads.  It had frozen over for the most part, and I recall the hollow resonance of the water flowing rapidly behind the waterfall's blue-white armor - a sound I've never forgotten.  But the visual effect!  I've always been a big fan of the Catalonian architect Antoni Gaudí, and there's something about the