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Find a Wikipedia image that answers this question: What material are the mobile ovens used to bake pizzas to sell in Olympic Sculpture made of?

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Represent the given Wikipedia image with related text information: Olympic-Sculpture-Pizza-2933 Seattle restauranteurs baking pizza in a portable oven at the grand opening of Olympic Sculpture Park.

['<|image_1|>\nRepresent the given Wikipedia image with related text information: Pierre de Coubertin statue, Atlanta 4 Statue of Pierre de Coubertin in Centennial Olympic Park in downtown Atlanta, Georgia.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Mexico City (2018) - 342 Mexico City (2018).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Wroclaw Olympic Stadium aerial photograph 2017 P05 Olympic Stadium in Wrocaw.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Puerta 1808 with El Caballito in the background (2695000590).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Miga (mascot) Winter Olympic 2010 mascot Miga.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Street performer, Quincy Market (7208033618).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Shift, abstract sculpture by Gyula Gulyas.- Kossuth Street, 2016 Csepel : Shift (abstract, steel, modern) sculpture - Kossuth Street, Budapest District XXI., Budapest.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Pioneer Courthouse Square milepost sign - Portland, Oregon.\n', "<|image_1|>\nRepresent the given Wikipedia image with related text information: Athletes' Village, 2015 07 22 (3)  - panoramio.\n", '<|image_1|>\nRepresent the given Wikipedia image with related text information: July 2012 Joe Fafard Cows Sculpture at TD Centre (7681317236).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Flamingo Chicago Flamingo Chicago https://picasaweb.google.com/117919047400413299240/USA#5576541994092959330.\n']
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