求翻译：明孝陵坐落在南京市中山蓝麓。它是明朝开国皇帝朱元璋及皇后马氏的陵寝，为世界文物保护单位。这座已有6000多年历史的明代皇家陵墓以其规模宏大、形制独特、环境优美而著称。2009年2月18日，南京明孝陵博物馆免费开放。博物馆占地面积约5000平方米。博物馆外形呈一个回字，内有360度屏幕剧院、阅览室和文化纪念品超市。展览室色彩为红色和黄色，门楼和柱子尽显明朝皇家建筑的特色。是什么意思？

Ming Xiaoling tomb is located in the Zhongshan blue foot. It is the tombs of the Ming dynasty's founding emperor Zhu Yuanzhang and empress Ma, as world cultural relic protection units. Which has more than 6,000 years of history of the Royal Tombs of the Ming dynasty, with its large scale and is known form a unique and beautiful environment. February 18, 2009, Nanjing Ming Royal Tomb Museum is free. Museum covers an area of about 5,000 square meters. Museum shapes is a Word back, has 360 degrees screen theatre, cultural souvenirs and supermarkets in the reading room. Exhibition room colors red and yellow, gate and pillars show the Ming Royal architectural characteristics.