Aya Sofia, Istanbul

Folded calc-silicates inside the Aya Sofia

View of the Aya Sofia from hotel terrace in the Sultanahmet district

Blue Mosque, Istanbul

Sebnem Hotel, Istanbul (the pink building)

The Bosporous - border between Europe and Asia

Golden Horn, Istanbul (view from Galata Tower)

Welcome to Europe road sign

Topkapi Palace, Istanbul

Topkapi Palace, Istanbul

Kilim