The price is daily exposure to the water-borne, parasitic worm Schistosoma japonicum which is carried by the millions of tiny fingernail snails that infest the marshland.

• 换来的代价是每天都接触到水传播，湖里的沼泽生长着数以百万计的小钉螺，他们寄生着日本血吸虫。