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looper23: Central line train, Bank
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looper23: Bank Underground station
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looper23: Central line train
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looper23: Epping Underground station
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looper23: Epping Underground station
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looper23: Epping Underground station
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looper23: Kelvedon Hatch, Essex
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looper23: sentry post, Kelvedon Hatch
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looper23: Green Goddess, Kelvedon Hatch bunker
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looper23: Kelvedon Hatch bunker
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looper23: Guard House, Kelvedon Hatch bunker
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looper23: RGHQ Kelvedon Hatch bunker
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looper23: Kelvedon Hatch bunker
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looper23: inside the Guard House, Kelvedon Hatch bunker
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looper23: audio guides, Kelvedon Hatch bunker
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looper23: radiation detector, Kelvedon Hatch bunker
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looper23: communications, Kelvedon Hatch bunker
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looper23: communications, Kelvedon Hatch bunker
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looper23: communications, Kelvedon Hatch bunker
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looper23: telephone exchange, Kelvedon Hatch bunker
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looper23: communications, Kelvedon Hatch bunker
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looper23: communications, Kelvedon Hatch bunker
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looper23: AWDREY, Kelvedon Hatch bunker
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looper23: plotting, Kelvedon Hatch bunker
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looper23: plotting, Kelvedon Hatch bunker
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looper23: plant room, Kelvedon Hatch bunker
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looper23: plant room door, Kelvedon Hatch bunker
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looper23: PM's quarters, Kelvedon Hatch bunker
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looper23: protection, Kelvedon Hatch bunker
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looper23: Minister for Transport's desk, Kelvedon Hatch bunker