Watertown Central Rock Gym

 Amelia Metcalf, 19, of Newton climbs on a bouldering wall at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

Amelia Metcalf, 19, of Newton climbs on a bouldering wall at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

 Shane Messer, 29, of Watertown climbs at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

Shane Messer, 29, of Watertown climbs at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

 Francesca Metcalf, 22, of Newton climbs on a bouldering wall at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

Francesca Metcalf, 22, of Newton climbs on a bouldering wall at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

 Flannery Shay-Nemirow, 23, of Watertown climbs at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

Flannery Shay-Nemirow, 23, of Watertown climbs at Central Rock Gym in Watertown on Monday, July 27, 2015. (Wicked Local Staff Photo/Brett Crawford)

Brett Crawford