Persephone, the robot guide, leads visitors in a Greek cave
The robot was built by the National Technology and Research Foundation and cost 118,000 euros ($139,000)
Greek revival: How Corfu’s 14th-century ghost village came back to life (photos)
Old Perithia was abandoned by its inhabitants in the 1960s. Now they are back, thanks to a unique project that has turned it into a spellbinding attraction
Miraculous church of Panagia Plataniotissa in Kalavryta (photo)
The church is around 8 meters long, and about 3 meters wide and can hold a capacity of around 20 people