<prompt> Translate the following text to SwahiliThe longest river in the world brings abundant water from the heart of Africa to irrigate a narrow verdant valley snaking its way through the hundreds of thousands of square kilometers of parched desert that constitute the modern state.  <response>: Mto mrefu zaidi duniani unaleta maji mengi kutoka katikati ya Afrika ili kunyunyizia maji bonde dogo lenye mimea, linalozunguka mamia ya maelfu ya kilomita za mraba za jangwa kavu ambalo ni jimbo la kisasa. 