In the heart of the Amazon, the Mura indigenous people have vowed to fight deforestation until the "last drop of blood" to protect their ancestral land amid raging forest fires. /VCG Photo

There are about 18,000 Mura people in the country, with access to a special zone to fish and forage. /VCG Photo

Devastating forest fires in Brazil were up more than 80 percent in the country year-to-date, hitting their highest point since at least 2013, according to Brazil's space research agency. /VCG Photo

The Mura people said they plan to fight against loggers and others exploiting the land. /VCG Photo