<prompt> Translate the following text to SwahiliA modern pipeline has been installed in the channel atop the aqueduct, and in the 16th century, a statue of Hercules in a niche over the tallest arch was replaced by a Christian image.  <response>: Mfereji wa kisasa umewekwa katika mfereji juu ya mfereji wa maji, na katika karne ya 16, sanamu ya Hercules katika niche juu ya arch ya juu zaidi ilibadilishwa na picha ya Kikristo. 