What is the fine-grained topic of the following text: The icy wind, straight off the fresh snow on the peaks, scarcely registers any more, and the toil of working up the hills is forgotten - now it's all about the glorious scenery sparkling in the sunshine, the eternal thrill of whizzing down the slopes, stones pinging out from under my wheels, splashing through fords, and all the yummy food we ate. Only return the topic.
Mountain biking in snowy terrain