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Its almost medieval. you surround, cut off supplies, choke off and starve the local population, cutting off power too is the intent. tell us what it looks and feels like to be right in the middle of that. >> reporter: odesa, still a relatively busy city. we have utilities here. we saw today the sort of surreal sights of a holiday yacht club where rich russians would take their vacation in earlier times. instead, sand put into bags and human chains to cart off the center here to make barricade, h...