Shimizu Tunnel
...that the 22,200 meter Shimizu Tunnel was the world's longest tunnel when it was completed in 1982?
...that the 22,200 meter <b id="mwAmE"><a href="./Shimizu_Tunnel#Daishimizu_tunnel" id="mwAmI" rel="mw:WikiLink" title="Shimizu Tunnel">Shimizu Tunnel</a></b> was the <a class="mw-redirect" href="./List_of_tunnels_by_length" id="mwAmM" rel="mw:WikiLink" title="List of tunnels by length">world's longest tunnel</a> when it was completed in 1982?