During a drought the remains of old buildings become more visible from a bird's eye view and wrecks emerge from rivers. But although it offers a chance for new discoveries, water has preservative properties and without it wooden monuments will be destroyed quickly, archaeologists warn.
The walls of church date probably between c. 700-1000 AD have been discovered in northern region of Ethiopia by archaeologists from the Polish Centre of Mediterranean Archaeology, University of Warsaw & Institute of Paleoenvironment & Heritage Conservation, Mekelle University.
On February 19 (the birthday of Nicolaus Copernicus) Poland celebrates a new holiday, Polish Science Day in recognition of the achievements of Polish scientists. Here is our list of highlights over the last few years.