<prompt> Translate the following text to EnglishMlango wa Dhahabu Altankap ni nguzo ya ushindi ya maliki wa Byzantium, ambayo ilikuwepo kabla ya kuta kujengwa na kuingizwa ndani yao.  <response>: It encloses the famous Golden Gate Alt??nkap??, the grand triumphal arch of the Byzantine emperors, which existed before the walls were built and was incorporated into them. 