Italy
Debra Sina (Tigrinya: ደብረ ሲና) is a monastery in the highlands of Eritrea near Keren in the Anseba Region. It was founded in the 4th century by saint Aba Salama, making it one of the oldest churches in the world.
Listen to the audio guide for Debre Sina Free on WIP — starts by itself when you arrive, even with the screen off