They call them Mega Bombas
And there’s a bunch on this video –
Along with the firing of the canons,
The men battling,
Exploding sledgehammers, and a few photos.
2011 Sledgehammer Fireworks from Suzanne da Rosa on Vimeo.
2011 Sledgehammer Fireworks Festival from Suzanne da Rosa on Vimeo.
For the complete story,
Go to the Sledgehammer Fireworks post