قسمت 23: تاو پس از فرود اضطراری، در ویرانه‌های مایایی پنهان، ماسک یشمی و دانش کوره‌های باستانی را کشف می‌کند.

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While continuing to the land of the Mayas, the condor malfunctions and falls from the sky. It comes to a hard landing deep inside a pit where a hidden stairway leads to another ancient city. The ruins are abandoned, but Tao finds a statue of a mysterious winged serpent. The writing on the statue leads Tao to a room lined with hieroglyphs and a jade mask. He tries to read the writing which says that the winged serpent is a Mayan god who built a great furnace. Mendoza wonders if the furnace was used to melt gold. When Pedro and Sancho try to steal the jade mask, they unwittingly activate a trap of crushing blocks from which the group narrowly escapes. Mini-Documentary: The Maya civilization — comparing Mayan building-style to the Incan one. (Source: Wikipedia)