He Spent $5 million On A Tank Called Jumbo

Theodore Rentzos built a firefighting vehicle nicknamed Jumbo that can carry 15,000 liters of water to fight the wildfires that regularly threaten Greece, and the film follows his crew into a fire and a flood in the same season. It treats the machine, half tank and half fire engine, as seriously as the disasters it responds to.

Why it's free: Free on Great Big Story's own channel; GBS produced and posted it there itself.