Al-Baleed Archaeological Park, frankincense trade port, UNESCO World Heritage Site, Salalah, Oman, Middle East

photography horizontal color image travel destinations travel old ruin unesco world heritage site al baleed archaeological park salalah oman middle east no people outdoors day clear sky palm tree tree nature column support architecture trees travel destination tourist destination tourist destinations palm trees palm palms natural growth outdoor outside ruin ruins historical history historic old ruins nobody no one no person daytime columns pillar pillars