Serie | Oil baths, Radon mineral water massage, thalassotherapy at the edge of the Black Sea are the cure centers’ specialties – also called sanatoriums – in Naftalan, Kolkhida and Tskaltubo, respectively based in Azebadjian and in Georgia.

In the 19th century, miners used small canaries to ensure their safety. Sensitive to toxic gas fumes undetectable to humans, the bird served as a reference probe: when it fainted or died, the miners evacuated the mine, aware that an explosion was imminent.