Don't have Telegram yet? Try it now!
http://archaeologyinbulgaria.com/2018/11/06/slavs-avars-burned-down-byzantine-city-chrisosotira-in-early-7th-century-digs-on-bulgarias-black-sea-coast-reveal/
Slavs, Avars Burned Down Byzantine City Chrisosotira in Early 7th Century, Digs on Bulgaria’s Black Sea Coast Reveal