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COUNTDOWN: Transformers 2007 – how the 13 robots evolved from concept art (part 3) – The Source Report
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COUNTDOWN: Transformers 2007 – how the 13 robots evolved from concept art (part 2) – The Source Report
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Crazy Ass Designs In Transformers History on Twitter: "Autobot Barricade concept art (2007) https://t.co/es8IjiiNzI" / Twitter
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