At the base of a mountain in Tanzania Gregory rift, Lake Natron burns bright red, surrounded by the remains of animals that were unfortunate enough to fall into the salty water.
2017年12月六級(jí)真題（第三套）閱讀 Section C
Three-quarters of the world's flamingos fly over from other salt lakes in the Rift Valley and nest on salt-crystal islands that appear when the water is at a specific level一too high and the birds can't build their nests, too low and predators can move bri