People hug trees at the Hoyt Arboretum in Portland, Ore., on Saturday, July 20, 2013, as part of an attempt to break the Guinness world record for the most people hugging trees simultaneously. (AP Photo/The Oregonian, Brittany Greeson)

Photo by: Brittany Greeson

People hug trees at the Hoyt Arboretum in Portland, Ore., on Saturday, July 20, 2013, as part of an attempt to break the Guinness world record for the most people hugging trees simultaneously. (AP Photo/The Oregonian, Brittany Greeson)