history of Sochi
... that the role of mosquitofish in the history of Sochi was acknowledged by a monument ?
... that the role of <a class="mw-redirect" href="./Gambusia_affinis" id="mwC54" rel="mw:WikiLink" title="Gambusia affinis">mosquitofish</a> in the <b id="mwC58"><a href="./History_of_Sochi" id="mwC6A" rel="mw:WikiLink" title="History of Sochi">history of Sochi</a></b> was acknowledged by a monument <i id="mwC6E">(pictured)</i>?