Lise Pedersen The Copenhagen Intl. Documentary Film Festival, or CPH:DOX as it is known, has announced it will open with “Into the Ice” by Lars Henrik Ostenfeld.A striking film about Greenland’s melting ice sheet, it follows the director on his travels alongside three pioneering glaciologists into the bowels of one of the most hostile places on Earth.“We all know the ice is melting which will result in an enormous rise in sea levels and have major consequences for populations around the world.