Sacyr's Blog

For years, archaeologists searched for lost cities through ground excavations. Sarah Parcak decided to look for them from space. Using satellite imagery, this American researcher can detect subtle changes in the landscape that reveal archaeological remains hidden beneath the surface.

Some structures begin where the ground ends. Houses that don’t rest on the earth, temples that seem suspended in mid-air, and buildings that cling to the rock as if they were part of it. In these places, architecture stops expanding and learns to support itself over empty space.

Barbara Jatta, an Italian art historian, is the first woman to lead the Vatican Museums in more than five centuries. Her appointment by Pope Francis at the end of 2016 marked a historic milestone for the institution.

From dizzying precipices in the Andes to icy routes across frozen lakes in the Arctic. This is a journey along the planet’s most dangerous roadways, where every kilometre is a constant battle between risk and survival.

From war bunkers and espionage tunnels to monumental ossuaries, major metropolises have fascinating underground worlds. We explore the tunnels hidden beneath Berlin, London, Paris, and New York.