there are almost 2 km left of the original city wall, which was 4 km long. several defence towers in the wall are intact and are open to visitors.

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A: **There are almost 2 km left of the original city wall, which was 4 km long. Several defence towers in the wall are intact and are open to visitors.**

overnight in the train's comfortable sleeping car.

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A: **Overnight in the train's comfortable sleeping car.**

description: wall-rue on a cliff

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A: **Description: Wall-rue on a cliff**

he had the opportunity to study photographs of the return of halley 's comet in 1910 taken by a potsdam expedition to tenerife.

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A:
**He had the opportunity to study photographs of the return of Halley 's comet in 1910 taken by a Potsdam expedition to Tenerife.**