02-10-2020 Rafael (email: santop80@gmail.com) Вопрос: this post is fantastic http://www.tehnickaskolabl.com/SrednjaSkola2/cropped-tsbl-1-jpg/ buy tritace Researchers have discovered the humongous hidden passages beneath the Antarctic ice shelf. Deep furrows on the floating ice shelves of Antarctica mark arch-shaped channels that are melted under the ice. With the help of a theory that thinner ice floats lower, the corrugated surface topography can be read.