Today, visitors flock to what used to be called "the Iberian Peninsula's best-kept secret" -sunny Portugal.

而今天，大量的旅客蜂拥而至来参观这个被叫做“伊比利亚半岛最高机密”阳光照射中的葡萄牙。

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The Royal Warrant tour is another: it promises visitors access to "secret archive material, special viewings of treasured brand assets and heritage pieces" of Mayfair's Royal Warrant holders.

“皇家授权品牌之旅”也很吃香：参加该行程的游客得以一览梅菲尔区（Mayfair）各皇家授权商店的“机密档案材料、特殊珍藏品牌资产和遗产物件”。

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The Secret Service was recently called to stop keeping logs of visitors to the president and the vice president.

NPR: Cheney's Furtive Ways

Visitors shuffle through a secret underground passage leading from the wardrobe of a Sea Tiger leader to his garden.

ECONOMIST: A rebel stronghold becomes an unlikely tourist trap

In a city that sees 48.8 million visitors each year, the best way to claim a corner of one's own may be to hide it behind a secret phone booth, underneath a pizza stand, beyond the kitchen, on the other side of the wine cellar or in a train car.

CNN: Hard to find, but totally worth it