Corbisiero's try came after scrum half Mike Phillips took a free-kick quickly, and fed Tommy Bowe on the right wing. The ball came back in field for the England front row to touch down near the posts.
Cardiff Blues full-back Leigh Halfpenny has since kicked two penalties, to one from Australian centre Christian Leali'ifano.The Lions lead 13-3 after 13 minutes.
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Outbreaks of light rain or drizzle expected around the coast and hills.
Mike and Cynthia from Ystradgynlais flew out to the German city for a weekend away.
Fine and dry at first but becoming largely cloudy with outbreaks of rain or drizzle.