Mambilima Falls
Mambilima Falls is a series of rapids on the Luapula River on the boundary between Zambia and the Democratic Republic of the Congo . 
<triplet> Mambilima Falls <subj> Luapula River <obj> part of <triplet> Zambia <subj> Democratic Republic of the Congo <obj> shares border with <triplet> Democratic Republic of the Congo <subj> Zambia <obj> shares border with