Selwyn
... that Selwyn in New Zealand, which celebrates its 150th birthday this month, was planned for 2,000 residents, but was depopulated by flooding and now has many derelict buildings ?
... that <b id="mwEqw"><a href="./Selwyn,_New_Zealand" id="mwEq0" rel="mw:WikiLink" title="Selwyn, New Zealand">Selwyn</a></b> in New Zealand, which celebrates its 150th birthday this month, was planned for 2,000 residents, but was depopulated by flooding and now has many derelict buildings <i id="mwEq4">(ruins pictured)</i>?