以上来源于: WordNet
It was 200 years ago that Swiss explorer Johann Burckhardt rediscovered the lost Nabataean city of Petra.
FORBES: Jordan's Surprise Luxury Tourism Trend
Jean Louis Burckhardt, the star of the book, actually bought a slave and sold him at a profit.
ECONOMIST: African exploration
Hospitality is an important part of Bedouin culture, something Burckhardt relied upon heavily during his travels in the Middle East.
BBC: Unveiling the secrets of Petra
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