Parnell Tunnel
... that the 1915 Parnell Tunnel in New Zealand replaced a steeper single-track tunnel known to inundate open carriages with smoke and sparks, causing burns and clothing stains?
... that the 1915 <b id="mwCPI"><a href="./Parnell_Tunnel" id="mwCPM" rel="mw:WikiLink" title="Parnell Tunnel">Parnell Tunnel</a></b> in <a href="./New_Zealand" id="mwCPQ" rel="mw:WikiLink" title="New Zealand">New Zealand</a> replaced a steeper single-track tunnel known to inundate open carriages with smoke and sparks, causing burns and clothing stains?