Cigarette smoke contains carbon monoxide, which displaces the oxygen in your skin, and nicotine, which reduces blood flow, leaving skin dry and discolored.

Last year during the dry season, smoke from the fires disrupted air traffic and closed airports in Bolivia, and the country declared a state of emergency in its Amazon territory.

Burning in dry peat bogs and forests, the fires produced a dense plume of smoke that reached across hundreds of kilometers.