东北之行的主要目的其实是呼伦贝尔和阿尔山。我们在北极村度过中秋节，赏月、痛饮，房东一高兴也和我们推杯换盏，并送西瓜一枚。次日，我们从北极村折回向西南，穿过大兴安岭腹地，进入呼伦贝尔，此时，茫茫草原秋色正好。

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