【正文】
of the greatest wonders of the world, was listed as a World Heritage by UNESCO (聯(lián)合國教科文組織 )in like a gigantic dragon, the Great Wall winds up and down across deserts , grasslands , mountains and plateaus( 高原 ) ,stretching(延伸 ) approximately 8, kilometers (5,500 miles)from east to west of a history of more than 2,000 years, some of the sections are now in ruins or have , it is still one of the most appealing (引人入勝的 )attract