Arenal Volcano Erupted Continuously From 1968 to 2010

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.

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

Despite covering only a tiny fraction of the planet's land, its rainforests, cloud forests and coasts host extraordinary biodiversity.