Many books were important for this project, especially:
The Invention of Nature by Andrea Wulf.
The River and The Magdalena by Wade Davis.
La Escuela de la Sabana* (The School of the Sabana), about a school of painting akin to the Hudson School that flourished around Bogotá in the early XX century. By Eduardo Serrano.
Landscape Painting Now by Barry Schwabsky.
La Sabana de Bogotá by Juan Ramón Giraldo Arciniegas.
Biographies of Humboldt, Mutis, Bolívar, explorers, scientists and painters.
*The city of Bogotá us surrounded by a beautiful high plateau of cool climate where fog is frequent at sunrise and sunset.