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| The City Wall encircles the ancient part of X'ian. Cycling around it is one of the top attractions of the city. / Miejski Mur okrąża starą część miasta X'ian. Wycieczki rowerowe na murze to jedna z głównych atrakcji. |
Built to protect the city from its enemies, wall of X'ian is nearly 14km long and 600 years old. It's one of the best preserved structures in China and one of the biggest ancient military defensive systems in the world.
