If you are going to china, what's the best route to travel? To understand the vicinity, you can heads to its capital, beijing, and walk the special line at its center. The seven point eight kilometer long beijing central different chapters of chinese history are laid out along this access and arranged in incredible, cynically reflecting china's cultural and spiritual essence. Come with us to explore this unal world heritage site that might be under next visit to the E. In the thirteen th century, in the rain of china's mongo antha, cuba and his un dynasty of four kilometer long central access took form in beijing. In the fifth century, the third empire, the man dynasty, expanded the city to increase the access by one kilometer. Then, when beijing's new outer city was built a hundred years later, the access was lengthened again to its modern dimensions. In the eighteen th century, an upgrade to the imperial palace included the construction of pavilions on the man made金山。Through over seven hundred years, generations of chinese emperors collectively created the pinacle of history that is now called the beijing central access. So what lies along this mysterious line? Let's take a look. Starting from its northern end, we find the iconic belt tower and opposed the drum toller. They once kept time for the capital, and the square is now a favorite hangout for beijing's lang time residents. Further down lies the upper spec garden g shang hill with the best views of the forbidden city, the forbidden city where generations of emperor s resided, and ritual sites like the imperial and sexual temple and the altar of lab and grain. 天安门gate，which was the original entry gate to the imperial city, and finally永定门gate at the end of the access，standing for eternal stability. The beijing central access is a master piece of city planning, because its attention to detail goes much deeper than you might notice at first gLance. This line is five hundred john long, which is around one point six kilometers and perfectly divides beijing's Alice quarter into three equal parts. Let's zoom in to take the total area of the forbidden city, which can be perfectly arranged in a seven by seven grid into beijing in our city. And if we look even closer and draw a series of lines space thirty two metres apart, the palace is particularly ly designed on an increasing scale. Can we go even closer? Most certain, this is a drum tower. We can see the roof is held up by layers of interlocking wooden brackets. It's overall size is determined by the length of the door, which comes in a variety size and dict ates the importance of each building according to its placement along the central access as a famous chinese architect once said, beijing's unique, magnificent and order is founded on the city's central, but when did the central access first arise in china? The answer lies much further back from the five thousand years old non zo ruins to the three thousand eight hundred year old article ruins. And by two thousand years ago, an ancient text called the rights of joe had already stipulated a central access was vital to a border. The nation. Since then, the cities of邺城，洛阳，长安，开封and other ancient capitals were all built with a central access layout。China's capitals were founded on centrality and symmetry, reflecting a deep identity with . the land they call中国。For chinese people, the central access is more than just a line in their capital. Baking IT is an extraordinary collective creation of their motherland, the philosophy of bigger stages, the decisions of past embers and novels, and the ingenuity of master artisans of old, as well as the lives of millions of ordinary people have all helped to give rise to today's beijing's central. As one scholar once said, there is no other nation have committed to symmetrical central access. So what is the best route to travel and understand china? Now you know the answer. The beijing central access stands for five thousand years of chinese history, philosophy and culture, so when you visit, build the city's break work and spaces is one of china's greatest legacy.