Mix of micrscopic observations. The audio : https://www.youtube.com/watch?v=gohitrgXcIo&t=2s&pp=ygUobGUgcmV2ZSBkJ3VuIGhvbW1lIHJpZGljdWxlIGRvc3Rvw69ldnNraQ%3D%3D is a story of Dostoïevski where a man tells his strange dream of the night.