Led Zeppelin, Dec. 10, London

For two hours and 10 minutes Monday night, legendary British rock band Led Zeppelin was back, rocking privileged fans at an ecstatic O2 Arena in London. It was something not seen for almost 20 years.

For two hours and 10 minutes Monday night, legendary British rock band Led Zeppelin was back, rocking privileged fans at an ecstatic O2 Arena in London. It was something not seen for almost 20 years.