So you're a customs officer in Beijing, and out of the trailer you're inspecting is hauled a... a what? The Japanese people who have accompanied it, who claim to be from Mazda, also claim that it's a concept car. Frankly, it could also be a submarine, or it might eat people -- or it could be an elaborate ruse for hauling drugs or bombs. So the officials at Beijing airport let the dogs out to sniff for, well, probably everything. Finding nothing, the Taiki was allowed to roll on to the Beijing Auto Show. Nothing in there but coffee grounds, sir, just coffee...

[Source: The Tycho]