頤和園一日游(2)自由自在 <p class="ql-block"><span style="font-size:22px;">保護(hù)</span></p> <p class="ql-block"><span style="font-size:22px;">鋼琴</span></p> <p class="ql-block"><span style="font-size:22px;">門檻都用黃銅包裹</span></p>