To become an independent nation, both the u.s. and puerto rican governments have said, not so fast. i mean, get this. you see this flag? pretty, right? but as recently as the 1950s, it was against the law to fly it anywhere in the country. why? because it was a symbol of independence. the ban is gone now. but so is the original flag. the shade of blue was changed to match the good old stars and stripes. but through it all, bomba has survived. [percussive music] it's incredible how, sometimes, culture can disappear. but a few people can bring it back to life. and then, it has a whole new existe...