<prompt> Translate the following text to SwahiliThe fact, according to geologists, is that the Kathmandu Valley was indeed once a lake, though the valleys waters now drain through the narrow cleft of Chobar Gorge, which was most likely created by a large earthquake.  <response>: Kwa mujibu wa wataalamu wa jiolojia, Bonde la Kathmandu lilikuwa ziwa wakati mmoja, ingawa maji ya bonde hilo sasa hutiririka kupitia mteremko mwembamba wa Chobar Gorge, ambao labda ulitokana na tetemeko kubwa la ardhi. 