泛滥之谜 22-英语听力

[00:00.01]People here still put papyrus to good use. [00:03.20]The design of these boats has changed little since ancient times. [00:07.24]Tana has become a vast mountain reservoir for the Blue Nile. [00:11.63]The dissolved volcanic soil has enriched the lake. [00:17.31]It's good fishing for people and animals. [00:22.77]It's thought that the Ancient Egyptians heard rumours of this lake [00:26.47]but they never realised the critical role it played in their lives. [00:31.11]Every day pelicans gather near the lakeshore [00:34.77]in response to especially dense concentrations of fish. [00:39.09]But sometimes the fishing is easy. [00:42.45]The pelicans aren't fussy about where their food comes from. [00:46.09]Fishermen's offcuts do just fine as Lake Tana's pelicans have learned.