“Liquid mud seeped between my toes - squelch-squelch. Vadim is stuck up to his ankles. It was not a pond, but a fully formed swamp, and it reeked of rot and mud. You can't catch rotifers in this, but really drown yourself. Vadim had difficulty finding a lake of relatively clean water and gloomily moved his net. My toes curled as if from cold, although the water was warm. I’ll definitely pull out two dozen leeches on myself, Vadim thought. He also thought that the whole idea of this coursework was idiotic, but just recently it seemed so easy..."