Taɣdemt n useggem n tnezduɣin tettawi-d asenfar n useggem n tnezduɣin i ugar n 3 imelyan n medden deg ugar n 2,000 n yiminigen imkuẓen deg tmenya n temnaḍin n Colorado. RTD yettak-d i yiɣermanen ixef, i yettwafernen s waṭas, yerna imseqdacen n lkaṛ ttwaḥebsen deg yir tagnit.