There is a fine section on the economics of surfboard rationing in Cuba, and the passages on surfing the Eisbach river in Munich and the Severn river bore in Britain are jolly.

有关于古巴冲浪板供给经济学，写的很不错，还有一些文章是关于在慕尼黑Eisbach河和英国英国塞文河上冲浪的，也非常有趣。