13Nov20126:31am, ESTDavid Gray / ReutersThe Forbidden City's light and shadeShadows of trees are cast onto a wall of the Forbidden City as a man walks past on a cold, sunny day in Beijing on November 13, 2012.See more pictures of China on PhotoBlog and get more insights about the country on NBC's Behind the Wall.Follow @NBCNewsPictures•Sign up for the NBCNews.com Photos Newsletter