Nearly 2 thousand years ago, the Germanic peoples sunk weapons and valuable objects in the lake in Lubanowo, as did the Slavs in the Middle Ages. According to archaeologists, these were religious rituals. In 1945, weapons ended up at the bottom of the lake again - this time it was unexploded ordnance from the time of war.
One of the oldest Maya cities - dating back several thousand years - is the subject of research of Polish archaeologists in San Isidro, El Salvador in Central America. Research shows that there could have been 20 pyramids in the area, not just a few - as previously thought.
The only depiction of a bird of prey - the secretary bird - known from ancient Egypt come from the Temple of Hatshepsut at Deir el-Bahari. They were discovered by an Egyptologist from the Polish Academy of Sciences, Dr. Filip Taterka. His findings have been confirmed by ornithologists specialising in this species.