Byzantines OWNED and ENSLAVED by RAIDERS
Byzantines OWNED and ENSLAVED by RAIDERS
Byzantines OWNED and ENSLAVED by RAIDERS
Imagine your ancestors building city walls so good that centuries later your entire empire owes it's continued existence to them.
Until a bunch of Central Asian Muslims point their funny murder pipes at them.
Big walls need big murder pipes
Harald Hardrada grinning with his insider knowledge: