<prompt> Translate the following text to SwahiliWere they simply tombs for pharaohs, or astronomical markers to aid the quantifying of time; were they built to concentrate a natural energy source, or were they not built by humans at all, a sign that an alien intelligence visited the earth many thousands of years ago?  <response>: Je, zilikuwa makaburi ya mafarao au alama za nyota ili kusaidia kuamua wakati, au zilijengwa ili kuunganisha nishati ya asili, au hazikujengwa na wanadamu, ishara ya kwamba akili ya kigeni ilitembelea dunia maelfu ya miaka iliyopita? 