Wadi Hanifa
Wadi Hanifa is a "wadi" ( valley ) in the Najd region , Riyadh Province , in central Saudi Arabia . 
<triplet> Wadi Hanifa <subj> wadi <obj> instance of <triplet> Najd <subj> Saudi Arabia <obj> country <triplet> Riyadh Province <subj> Saudi Arabia <obj> country