一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)，是我國名(ming)山(shan)(shan)(shan)奇峰中(zhong)常有的(de)石景，因兩(liang)壁夾峙，縫(feng)隙所(suo)見藍天(tian)(tian)(tian)(tian)(tian)如一(yi)(yi)(yi)(yi)線(xian)而(er)得名(ming)；較為知名(ming)者(zhe)有峨(e)眉山(shan)(shan)(shan)、華山(shan)(shan)(shan)、黃山(shan)(shan)(shan)、江郎山(shan)(shan)(shan)、武(wu)夷山(shan)(shan)(shan)、九宮山(shan)(shan)(shan)、三(san)清山(shan)(shan)(shan)等(deng)(deng)處的(de)“一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)”美景；由于“一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)”景觀奇特，已成為許多風景名(ming)勝的(de)熱門景點(dian)。本文將(jiang)為大(da)家介(jie)紹中(zhong)國十大(da)一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)景觀以及有一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)景觀的(de)景區，其中(zhong)包(bao)括野山(shan)(shan)(shan)坡百(bai)里(li)峽一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)、太(tai)原王封一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)、安(an)陽(yang)紅(hong)旗渠一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)、華山(shan)(shan)(shan)一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)、江郎山(shan)(shan)(shan)一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)、太(tai)姥山(shan)(shan)(shan)一(yi)(yi)(yi)(yi)線(xian)天(tian)(tian)(tian)(tian)(tian)等(deng)(deng)。