| 1. | The gates tower up to the stained glass and four minarets above.
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| 2. | The barbican was dismantled in 1950 and the gate tower in 1966.
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| 3. | To each of the two gate towers a narrow building is joined.
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| 4. | The Outer city walls had four corner guard towers and seven gate towers.
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| 5. | In 1903, the gate tower was enhanced by two round-arched portals.
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| 6. | The gate tower, 6.5 metres tall, sat on a platform 15 metres high.
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| 7. | Its gate tower and watchtower were similar to those at Chaoyangmen.
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| 8. | The gate tower and watchtower were similar to those at Chongwenmen.
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| 9. | The gate tower had two levels and was 33 metres high.
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| 10. | The gate tower and watchtower were similar to that of Dongzhimen.
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