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Caption This Photo from Arnold Schwarzenegger and James Cameron's Brazilian Vacation

Arnold Schwarzenegger and James Cameron recently took a trip together to South America, meaning the True Lies brain trust was in the same place at the same time. You know what that means? Sequel talk! Either that or just some good ol' alone time between two of Hollywood's biggest titans and the leader of the Kayapo tribe.

That's Schwarzenegger, Cameron and Raoni, the tribe leader, in the village of Arara near the Xingu River. Apparently the pair visited Brazil for -- well, no one is exactly sure, though some are speculating that the trip had to do with Cameron's continued interest in the indigenous tribes along the river, post-Avatar. Was Tom Arnold behind the camera for this picture? Maybe Grant Heslov? Good questions, self! Answer away, and do your best to caption this sucker in the comments below.

ยท Arnold Schwarzenegger and James Cameron Reunite for ... What, Exactly? [Moviefone]