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LUCAS HESS/Durango Herald
Nathaniel Ellis operates the “Bicycle Blender,” as described by Rowan Hill, right, who was working Saturday at the Turtle Lake Refuge exhibit at the Fourth Annual Green Living Expo at the La Plata County Fairgrounds. Eli Holden, left, and Nathaniel tasted the fruits of their labor after blending the coconut, banana, grape, peach, almond milk and ice drink. Nathaniel is the son of Ellen Babers and Michael Ellis. Eli is the son of Maria Jose and William Holden.