Nagtahan Interchange
... that the Rotonda de Sampaloc, now the Nagtahan Interchange , originally demarcated the boundary between Manila's suburbs and its urban core?
... that the Rotonda de Sampaloc, now the <b id="mwcw"><a href="./Nagtahan_Interchange" id="mwdA" rel="mw:WikiLink" title="Nagtahan Interchange">Nagtahan Interchange</a></b> <i id="mwdQ">(pictured)</i>, originally demarcated the boundary between <a href="./Manila" id="mwdg" rel="mw:WikiLink" title="Manila">Manila</a>'s suburbs and its urban core?