But as these ranges approached one another, being indeed but parts of one great wall about the mournful plains of Lithlad and of Gorgoroth, and the bitter inland sea of Nurnen amidmost, they swung out long arms northward; and between these arms there was a deep defile.
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They called it the Great Wall.
Kiera Cass -- The One
Before long they saw in the distance the towers and flags of Dictionopolis sparkling in the sunshine, and in a few moments they reached the great wall and stood at the gateway to the city.