In pics | 2,000-year-old ancient Roman gallery under the streets of Lisbon
Authored By Nishtha Badgamia
Published: Apr 23, 2023, 20:01 IST | Updated: Apr 23, 2023, 20:01 IST
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'Cryptoportico' maze of tunnels and passageways
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Roman Galleries
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2000-year-old structure
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Visitor call it 'unmissable'
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