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720p
<iframe src="//www.hd-trailers.net/embed/300-rise-of-an-empire/2-teaser-trailer-720p/" width="1280px" height="740px"></iframe>
1080p
<iframe src="//www.hd-trailers.net/embed/300-rise-of-an-empire/2-teaser-trailer-1080p/" width="1920px" height="1100px"></iframe>