给定一段中文文本，要求生成一篇类似的英文文章，输出的英文文章应该在语义和结构上与原始中文文本相似。


中国的长城是人类历史上最伟大的建筑之一，起源于公元前7世纪，它是一条长达13,171英里（21,196千米）的震撼人心的石墙，蜿蜒曲折，十分宏伟。长城的目的是保护中国，抵御外来入侵。今天，长城是中国最受欢迎的旅游景点之一，每年吸引着数百万游客。
The Great Wall of China, one of the most magnificent architectural wonders in human history, originated in the 7th century BC. It is an awe-inspiring stone wall that stretches for 13,171 miles (21,196 km), meandering and magnificent. The purpose of the Great Wall was to protect China and resist foreign invasion. Today, the Great Wall is one of China's most popular tourist destinations, attracting millions of visitors every year.