Neon-lit streams cascade from the Seventh Bridge onto the Karun River that cuts through this capital of Iran’s Khuzestan province, venerating a lucrative relationship between the water and commerce. Despite the fierce summers and volatile history, Ahvaz remains home to various Persian dialects seeking to glean from its riches of oil, but with Riverside Park’s rustic vistas, and delectable local cuisine, there is enjoyment amid Ahvaz’s fire and fumes.