La Venta Tabasco, Mexico

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Swamp on the east side of the 100-foot mound.	Swamp on the south-eastern side of the 100-foot mound.

Southern view from the 100-foot mound. PEMEX oil refinery in the center background.	Southern view from the 100-foot mound. PEMEX oil refinery in the center background.

One of the oil derricks in La Venta region.