TheGreatWall,oneofthegreatestwondersoftheworld,waslistedasaWorldHeritagebyUNESCOin1987.Justlikeagiganticdragon,theGreatWallwindsupanddownacrossdeserts,grasslands,mountainsandplateaus,stretchingapproximately8,851.8kilometers(5,500miles)fromeasttowestofChina.Withahistoryofmorethan2000years,someofthesectionsarenowinruinsorhavedisappeared.However,itisstilloneofthemostappealingattractionsallaroundtheworldowingtoitsarchitecturalgrandeurandhistoricalsignificance.长城,世界最伟大的奇迹之一,1987年被联合国教科文组织列为世界遗产.就像一个巨大的龙,长城穿过沙漠,草原、山地和高原,延伸约8851.8公里(5500英里)从东到西.有2000多年的历史,现在的一些部分废墟或已经消失了.然而,因其建筑宏伟和历史意义,它仍然是全世界最吸引人的景点之一.