Wandering the edges of Montevideo you can spot a lot of burn marks resulting from copper extraction practice. Yet another visual indicator for hidden realities along the periphery, out of sight.
Burning copper wire releases carcinogens and toxins into the air and into the ground around the burn site, including dioxins, furans, polycyclic aromatic hydrocarbons, particulate matter, heavy metals (such as lead, arsenic, selenium and cadmium) and other pollutants.