Xifundzha xa Vutleketli bya Xifundzha xi nyika vutleketli bya mani na mani eka vanhu vo tlula 3 wa timiliyoni eka ku tlula 2,000 wa swikwere swa tikhilomitara eka tikonkulu ta nhungu ta Colorado. RTD yi nyika vahahisi tindlu to tshama eka tona, leti languteriwaka hi vukheta, naswona vafambisi va mabazi va kuma vuleteri bya maxelo yo biha.