Bray Lock
Bray Lock is a lock and weir on the River Thames in England near Bray and Dorney Reach , and is just above the M4 Bridge across the Thames . 
<triplet> Bray Lock <subj> lock <obj> instance of <subj> River Thames <obj> located on terrain feature <triplet> Bray <subj> River Thames <obj> located in or next to body of water <triplet> Dorney Reach <subj> River Thames <obj> located in or next to body of water <triplet> M4 Bridge <subj> River Thames <obj> crosses <subj> Dorney Reach <obj> location