泛滥之谜 20-英语听力

[00:00.01]The highlands are full of people, too. [00:02.92]They have exploited the rich soil here since the time of Ancient Egypt. [00:07.41]The rainy season turns the highlands into a busy patchwork of farmland. [00:12.16]This is one of the largest and oldest areas of cultivated land in Africa. [00:17.81]Inevitably, this great bounty attracts unwelcome visitors. [00:23.18]Ethiopian children play their part in protecting the family crops. [00:28.08]The flute is played to scare away animals, at least that's one theory. [00:33.77]Sometimes more direct action is necessary. [00:37.68]The rains continue for up to three months. [00:40.84]It may appear bleak [00:42.64]but in fact it's a time of celebration and thanksgiving for the highland farmers. [00:47.54]They're accustomed to the yearly rhythm [00:49.88]And they see the rains as a blessing. [00:53.30]Beneath their feet, the land is undergoing one final dramatic change.