@CNN: Azerbaijan’s Gobustan State Reserve is an incredible outdoors museum, home to over 6,000 ancient rock carvings and the Gavel Dash “singing stone” | via @CNNtravel https://t.co/HMLceeemTY https://t.co/5jFSTqfNtR

@CNN: Azerbaijan’s Gobustan State Reserve is an incredible outdoors museum, home to over 6,000 ancient rock carvings and the Gavel Dash “singing stone” | via @CNNtravel https://t.co/HMLceeemTY https://t.co/5jFSTqfNtR