Panjiakou Dam
... that part of the Great Wall of China is submerged in the reservoir formed by the construction of the Panjiakou Dam in Hebei Province, and sometimes it re-emerges during droughts?
... that part of the <a href="./Great_Wall_of_China" id="mwB1M" rel="mw:WikiLink" title="Great Wall of China">Great Wall of China</a> is submerged in the reservoir formed by the construction of the <b id="mwB1Q"><a href="./Panjiakou_Dam" id="mwB1U" rel="mw:WikiLink" title="Panjiakou Dam">Panjiakou Dam</a></b> in <a href="./Hebei" id="mwB1Y" rel="mw:WikiLink" title="Hebei">Hebei Province</a>, and sometimes it re-emerges during droughts?