The legend of El Dorado begins with the Golden King whose initiation included offering gold and emeralds to the Gods by diving into Lake Guatavita. Many Spanish conquistadors knew the story as the Lost City of Gold
In 2013 a 10 year project of dredging over 909 km from Puerto Salgar and Bocas de Ceniza in Barranquilla was launched.
In Colombian mythology Marimonda is The Madremonte or Mother of the forest. Marimonda is the common name given to the white-fronted spider monkey in Colombia. They are unique not only for no external thumb but also as a symbol of Barranquilla Carnaval
en.wikipedia.org/ White-fronted_ spider_monkey
Nevado del Ruiz has been active for about two million years with present volcanic cone formed beginning 150 000 years ago. Part of Los Nevados National Natural Park which also contains several other volcanoes.