they have their spot for tonight s fireworks. last-minute preps well under way early this morning for a capitol fourth. cruise assembling cardboard trash cans, portapotties. security at the tent entrance is tight with many areas canceling fireworks this fourth of july. they are gearing up for hundreds of thousands of people here. this celebration on the national mall could be their biggest yet. plus carlos and her family are from the philippines. they planned their first trip to the u.s. around the holiday. really exciting because i don t know what to expect really. reporter: they ll be back on the mall after a day of sightseeing. i would like to experience that event because this is very i know this is very spectacular, and very exciting. reporter: tuesday night s rehearsal was cut short as bad weather started rolling through. the 31st annual concert starts at 8:00 and will be on the west lawn of the capitol. then the fireworks. my father was in the navy and pass