
People visit the Baotu Spring in Jinan, capital of east China's Shandong Province, Dec. 28, 2019. Baotu Spring has been gushing for 16 consecutive years since September 2003. Photo:Xinhua

People visit the Baotu Spring in Jinan, capital of east China's Shandong Province, Dec. 28, 2019. Baotu Spring has been gushing for 16 consecutive years since September 2003. Photo:Xinhua

People visit the Baotu Spring in Jinan, capital of east China's Shandong Province, Dec. 28, 2019. Baotu Spring has been gushing for 16 consecutive years since September 2003. Photo:Xinhua

People visit the Baotu Spring in Jinan, capital of east China's Shandong Province, Dec. 28, 2019. Baotu Spring has been gushing for 16 consecutive years since September 2003. Photo:Xinhua