Praia de Cidreira is one of the resorts that make up the seafront of the municipality of Cidreira, in the state of Rio Grande do Sul. It has a century-old lighthouse, of naval importance in the region.
The sea normally has chocolate-colored water due to the northeast wind that prevails on the coast of Rio Grande do Sul.
Brazil - RS - Cidreira 
United States - Hawaii
Russia - Moscou
Norway