Petrichor is the earthy scent produced when rain falls on dry soil. The word is constructed from Greek ????? petra, meaning "stone", and ???? ?ch?r, the fluid that flows in the veins of the gods in Greek mythology.
Wikipedia

Bulgaria is a Balkan nation with diverse terrain encompassing Black Sea coastline, a mountainous interior and rivers, including the Danube. A cultural melting pot with Greek, Slavic, Ottoman, and Persian influences, it has a rich heritage of traditional dance, music, costumes, and crafts. At the foot of domed Vitosha mountain is its capital city, Sofia, dating to the 5th century B.C.
Wikipedia