Most of the walls of Constantinople, built by Theodosius II in the 5th century, have survived including some of the city gates. More pictures and information here:
http://www.angelfire.com/wy/svenskildbiter/landwalls.html
Most of the walls of Constantinople, built by Theodosius II in the 5th century, have survived including some of the city gates. More pictures and information here:
http://www.angelfire.com/wy/svenskildbiter/landwalls.html
Cities 
