Costa Rica Alberga una "Zona Azul" Global

The colón takes its name from Cristóbal Colón, the Spanish name for Columbus.

The law was passed to protect wildlife, in line with the country's conservation focus.

It is now quiet, but the conical volcano remains one of Costa Rica's best-known landmarks.

Forest cover fell to roughly a quarter of the country in the 1980s and has since recovered to more than half.