Sura 18:85-86 states that the ruler Zul-Qarnain, followed the setting sun and found that it went down into the waters of a muddy spring.
Sura ya 18:85-86 inasema kuwa mtawala Zul-Qarnain, alifuata kuchwa kwa jua na kugundua kuwa lilizama chini ndani ya chemichemi za tope.