
CANKIRI, TURKEY - NOVEMBER 21: A view from the salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: A view from exhibition at the salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: A view from exhibition at the salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: A view from exhibition at the salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: A vehicle used to extract and transport salt from previous periods is displayed at salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: Animals made of embalming are displayed at salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )

CANKIRI, TURKEY - NOVEMBER 21: Vehicle used to extract and transport salt from previous periods are displayed at salt cave in Cankiri, which has been used since the Hittite period and 150 meters below the ground, attracts visitors in Cankiri, Turkey on November 21, 2019. It is known that the cave, which is about 20 kilometers away from the city center, is good for the treatment of asthma, bronchitis and lung diseases. ( İsmail DURU - Anadolu Agency )