Fallas at Valencia will take place next week, but they have already started firing 'mascletaes' everyday.
For all those who love fireworks, you can see the videos of mascletaes at this web
http://www.fallas.com/fallas/video.htm these are from the canal 9 regional tv channel. The realization is quite good, and despite you can't feel the earth and your body shaking, you can see a bar with the decibels reached.