Description

Avatar Aang asks his friends to help him honor Yangchen's Festival-one of the highest Air Nomad holidays, which hasn't been celebrated in over one hundred years. But cryptic visits from the spirit of Avatar Yangchen herself lead Aang to discover a jointly owned Fire Nation and Earth Kingdom refinery-operating on land sacred to the Airbenders. Is this the cause of the pollution Aang finds there, or is a more mysterious menace afoot?

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