Tianjin has become a national model in geothermal utilization, with a geothermal heating area of 47.6 million square meters, accounting for 8 percent of the city's centralized heating area.
This achievement comes as the country marks the 55th anniversary of China's first geothermal exploration campaign, initiated by Li Siguang.
The Earth is a huge heat reservoir with inexhaustible heat.
According to statistics released at the Geothermal Industry Forum of the 27th China Mining Conference, Tianjin's leading position in geothermal energy is a result of its breakthrough in addressing energy shortages over half a century ago.
Author's summary: Tianjin is a national leader in geothermal energy use.