这些洞穴可以追溯到公元800年的维京时代。

The caves date back to early Viking times in about 800 A.D..

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沃克说：“诺丁汉市大约有500个砂岩洞穴，许多遗址已禁止游客观光。这些洞穴可以追溯到公元800年的维京时代。”

Nottingham has about 500 sandstone caves, many closed to the public, Walker said. The caves date back to early Viking times in about 800 A.D..

youdao

沃克说：“诺丁汉市大约有500个砂岩洞穴，许多遗址已禁止游客观光。这些洞穴可以追溯到公元800年的维京时代。”

Nottingham has about 500 sandstone caves, many closed to the public, Walker said. The caves date back to early Viking times in about 800 A. D.

youdao

英属维尔京群岛包括托而托拉、阿内加大和约斯特范代克以及50多个其他岛屿和洞穴。

The British virgin islands including Joe torre, pull, and within the sandhust fan and increase and other islands and more than 50 grams and caves.

youdao

英属维尔京群岛包括托而托拉、阿内加大和约斯特范代克以及50多个其他岛屿和洞穴。

The British virgin islands including Joe torre, pull, and within the sandhust fan and increase and other islands and more than 50 grams and caves.

youdao