哇哦，没想到<poi poiid="15271550" poitype="3" h5url="https://m.ctrip.com/webapp/you/gspoi/sight/0/0.html?poiId=15271550&seo=0&isHideNavBar=YES" appurl="https://m.ctrip.com/webapp/you/tripshoot/paipai/poiPage/poiHome?poiId=15271550&poiType=3&isHideHeader=true&isHideNavBar=YES&seo=0 " wxurl="https://m.ctrip.com/webapp/you/gspoi/sight/0/0.html?poiId=15271550&seo=0&isHideNavBar=YES" >回音壁</poi>这么神奇，只要靠着墙壁说话。声波就会沿着不停的折射前进。大家知道这样可以传多远吗？<ctag id="178024" type="4" businesstype="9" h5url="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=178024" appurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=178024" wxurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=178024&isMini=2" >#北京天坛</ctag> <ctag id="7675" type="4" businesstype="9" h5url="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=7675" appurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=7675" wxurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=7675&isMini=2" >#天坛</ctag> <ctag id="40636" type="4" businesstype="9" h5url="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=40636" appurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=40636" wxurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=40636&isMini=2" >#北京旅游</ctag> <ctag id="78671" type="4" businesstype="9" h5url="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=78671" appurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=78671" wxurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=78671&isMini=2" >#旅游推荐官</ctag> <ctag id="1478" type="4" businesstype="9" h5url="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=1478" appurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=1478" wxurl="https://m.ctrip.com/webapp/you/tripshoot/topicPage?seo=0&isHideHeader=true&isHideNavBar=YES&navBarStyle=white&autoawaken=close&popup=close&topicId=1478&isMini=2" >#休闲好去处</ctag>

摄影大神

有点意思

爱了爱了

真是人才

靠谱！

哇哦，没想到回音壁这么神奇，只要靠着墙壁