From their sacred city of Machu Picchu the Inca may have explored the nearby Vilcabamba.
从他们的圣城马丘·比丘出发,印加人可能已经考察过附近的比尔·卡班巴。
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Possible explanations range from eating yogurt (the Caucasus) to eating very little meat (Okinawa) to drinking water from melting glaciers (Vilcabamba).