Natural environment (2452 Subjects)
Panoramic view of Istanbul from the north. On the right, the Castle of Europe. In the background, Hagia Sophia and Mosque of Sultan Ahmed I.
1 (bottom): Geologic cross-section of the region between Redout Kale (today Kuveli) in Georgia, and Trebizond, Turkey. 2 (top): Geologic cross-section of the region between Trebizond and Erzerum. 3 (middle): Geologic cross-section of the region between Bayburt and Şebinkarahisar.
1 (bottom): Geologic cross-section of the region between Şebinkarahisar and Sivas. 2 (middle): Geologic cross-section of the region between Sivas and Tocat. 3 (top): Geologic cross-section of the region between Tocat and Tosya.
4 (bottom): Geologic cross-section of the region between Tosya and Bolu. 5 (top): Geologic cross-section of the region between Bolu and Üsküdar (Istanbul).