Adana is a city in southern Turkey located on the Seyhan River with a population of 1.6 million, making it the fifth most populous city. It is an agricultural center producing cotton, wheat, and citrus fruits. Several notable landmarks include the Taşköprü, a 4th century Roman bridge, and the Great Clock Tower. The Central Mosque is one of the largest in the Middle East. Adana has many parks and the climate allows them to remain open year-round. The Archaeological Museum houses artifacts from ancient Hittite and Roman civilizations. International film and music festivals also take place in the city.