some 200 ethiopian expatriates' joined smaller groups of demonstrators. the ethiopian prime minister is a summit guests. >> we need free government. >> as a precaution, police moved in to contain the protesters to the center of town. they were armed with shotguns -- beanbag shotgun shells and chemical munitions banners and signs reflected a variety of concerns. >> the only yellow corn grown in the united states is genetically modified. this is a cringing factor. my real concern is all the hogger in the world. >> 25 members of occupy baltimore made the trip. they personally engaged locals. >> instead of talking about our differences, let's start by talking about everything in common we have. >> residents lined the streets to watch the spectacle. this man as documenting history. >> i am making a documentary about the summit. >> what are you going to do with the documentary? >> i do not know. show it to all my friends. it is very different. it is a little bit scary to let him do this, but i want to encourage this educational experience. i have mixed emotions.