Hot Roads: The World's Most Dangerous Roads

It is a road of mountain passes and India's access to the roof of the world - The Himalayas. This 475-kilometre long route connects the cities of Manali and Leh.

Bangladesh is the land with the highest density of population in the world, and the daily struggle to survive is fought everywhere, including the streets.

The roads at the Arctic Circle are covered in ice and snow almost eight months out of the year; conditions that would lead to a total collapse further south are routine for the experienced men of the High North on the road in their trucks.

The Carretera de la Muerte - the road to death - is one of the most dangerous roads in the world; trucker Omar and his co-driver Jaime head on their trip across the Andes, encountering cyclists, mountain bikers, and coca-farmers on the way.

The racing cyclists of Burundi.

The Sichuan Tibet Highway leads through landscapes and remote areas up to the Himalayan Mountains; accompanying truck driver Ren Taiping on his trip to the Tibetan capital city of Lhasa.