But as the vehicle neared the municipal council offices with its sirens sounding full-blast, the pyramid collapsed as the firefighters veered violently to the left and plunged several feet to the ground.
The man at the top - who was fortunately wearing a helmet - could be seen desperately clinging onto his ladder before crashing through a palm tree at the side of the road.
Thousands of firefighters in California are still putting the flames out at 23 vulnerable sites that sparked wildfires since Thursday, Aug. Even with the heat and danger, however, the firefighters are persistent and making great progress.
Brief thunderstorms and showers on Sunday did help the firefighters but the worst is not yet over.
This is the heart-stopping moment firefighters showing off their acrobatic skills at a traditional parade cheat death after losing their balance and smashing to the ground.
The nine men had used their ladders to form a human pyramid on top of one of their fire engines driving through the Mexican resort city of Puerto Vallarta at slow speed along streets lined with crowds.
Officers have not recovered An Vinh Nguyen's body although he is presumed dead.
Four were allowed home after treatment but four, including three who suffered broken bones, remained in hospital.Officials urge the public, especially motorists, to remain cautious even as temperatures might cool down due to the occasional showers."Motorists are responsible for many of the wildfires sparked along our roadways," according to the California Department of Forestry and Fire Protection in a press release."Nearly all these fire starts could be prevented by following safety rules that include practicing safe towing, no dragging parts, checking tire pressure and properly maintaining brakes."Firefighters in Springville are trying to contain a 20,529-acre fire, while 1,319 acres burned in Caldwell in Kern County.Three of the men below him missed the side of the fire engine and ended up injured on the ground. ' over and over again in the aftermath of the shocking incident before adding 'Something terrible happened here.'Footage of the moments after the fall showed bystanders hugging each other in disbelief as other firefighters rushed to aid their companions.The video also showed the panicked gestures of a firefighter conducting the tricky acrobatics display from the top of the vehicle as he realised his friends were losing their balance and waved his arms around in a futile effort to help them restore order.