Antarctica’s vast ice sheet conceals a world of mysteries, from ancient river-carved landscapes to unexplained radio pulses. — Cover Images/Zuma Press/dpa
Mountains, sub-glacial lakes, hidden valleys, even remnants of lost civilisations: what lies under Antarctica’s vast 2,000-metre thick ice sheet has long been a mystery akin to the depths of the ocean or the dark side of the moon.
As big as the United States and India combined, much of the frozen continent is off-limits to the handful of hardy visitors permitted each year, adding to the mystery.
