Ideally, you should do this with a friend or relative, or even a group tour.

你最好应和朋友或亲戚一起，甚至参加旅行团。

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Join a small group bike tour for an evening of exploration in the heart of Washington DC.

参加一个小型的团体自行车之旅，探索华盛顿特区的核心地带。

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Join a small group hike tour for an evening of exploration in the heart of Washington.

加入小型徒步旅行团，用一个晚上去探索华盛顿的中心。

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In 2008 the group launched a five-year global tour of a specially-designed sailboat with the date "2041" emblazoned on its side.

VOA: standard.2009.12.10

Yu Chia-yi and her two siblings lost their mother, who was travelling with neighbours on a group tour bound for northern China.

BBC: Relatives mourn Taiwan crash victims

All visitors must be on a group tour to enter the Kanchenjunga Conservation Area, which means that only a few visitors make it as far as the town of Taplejung, the last point of civilization (which itself is gradually recovering from a deadly and destructive earthquake that hit in September 2011).

BBC: Give me a home where the snow leopards roam

Alongside the marketing campaign it is running in Dusseldorf itself, Saturday's inaugural flight into Cardiff will be carrying a group of tour operators and German journalists.

BBC: Dusseldorf to Cardiff service bid to win tourism cash