Massive amounts of sargassum washed up onshore in Mexico

Tourists observe the shore chock full of sargassum in Bahia La Media Luna, near Akumal in Quintana Roo state, Mexico, Aug. 5. A Mexican environmental agency is constructing barriers at sea just beyond its famed Riviera Maya beaches to decrease the massive amounts of sargassum washing up onshore. [Photo: AP/Eduardo Verdugo]