The Largest Estuary in the World

Crossing the widest estuary in the world, the Rio de la Plata, between Buenos Aires and Colonia, Uruguay. An estuary is a place where salt water and fresh water mix in a highly sensitive environment. RГ­o de la Plata grows from 48В kilometres (30В mi) wide where two rivers meet to 220В kilometres (137В mi) wide to the southeast … Read more