This Ancient Silk Road City Is Now a Modern Marvel
Published 18 Apr 2018, 10:43 BST

Visitors pose in the Gobustan Preserve, site of rock art dating back 40,000 years–and one of the highest concentrations of gas-fuelled mud volcanoes on Earth.
Photograph by Rena EffendiFruits of the temperate Caspian climate, watermelons, and "Baku" tomatoes–known widely for their rich flavour–await takers at a roadside stand on the Abşeron Peninsula.
Photograph by Rena EffendiGobustan Preserve is home to rock art dating back 40,000 years and one of the highest concentrations of gas-fuelled mud volcanoes on Earth.
Photograph by Rena EffendiYanardag, a gas poked hill, has been burning for several hundred years.
Photograph by Rena Effendi