Ixtonton
... that for most of its history, Ixtonton was the most important Maya city in the upper Mopan Valley of Guatemala?
... that for most of its history, <b id="mw_Q"><a href="./Ixtonton" id="mw_g" rel="mw:WikiLink" title="Ixtonton">Ixtonton</a></b> was the most important <a href="./Maya_city" id="mw_w" rel="mw:WikiLink" title="Maya city">Maya city</a> in the upper <a href="./Mopan_River" id="mwAQA" rel="mw:WikiLink" title="Mopan River">Mopan Valley</a> of <a href="./Guatemala" id="mwAQE" rel="mw:WikiLink" title="Guatemala">Guatemala</a>?