Today, fossil fuels still supply over 80 percent of the world's energy, a leading contributor to the rising level of greenhouse gases. People tend to take energy for granted, but how does a concrete and solid form of energy actually look?

Join "Tech It Out" with CGTN's Yang Zhao to get a closer look at the most primitive form of energy and witness a controlled explosion at Asia's largest coal mine, the Heidaigou coal mine in north China's Inner Mongolia Autonomous Region.

Check out more stories about carbon neutrality in the "Tech It Out" documentary "Human Carbon Footprint."