<prompt> Translate the following text to SwahiliIt 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.  <response>: Mlango wa Dhahabu Altankap ni nguzo ya ushindi ya maliki wa Byzantium, ambayo ilikuwepo kabla ya kuta kujengwa na kuingizwa ndani yao. 