MNN Galleries

Eco-photos of the week: May 15-21

Young men and women in bright red swim suits run across Ocean Beach in San Diego, Calif. as part of the training and certification required to be a lifeguard.

Photo: ZUMA Press

6 of 15

Lifeguard hiring season

Young men and women in bright red swim suits run across Ocean Beach in San Diego, Calif., as part of the training and certification required to be a lifeguard.