Activist stunt disturbs Peru’s treasured archaeological site

Aired: 12/15/2014 | 0:06:01 | Clip
An act of environmental protest directed at the global climate conference in Lima, Peru, may have inadvertently damaged a world heritage site. A week ago, Greenpeace members trekked to one of the nation’s most important -- and off-limits -- archaeological sites, the "Nazca Lines," and left a large-scale message. Jeffrey Brown reports on the disturbance and the response.