how fireworks displays are designed

3:01

2:31

35:42

5:07

5:19

5:07

5:07

14:43

7:30

2:57

2:19

3:08

2:42

10:52

3:42

20:03

3:39

11:20

17:45

7:14

1:46

7:47

1:39

2:48

3:19

2:43

2:32

2:32

2:20

10:32

5:32

کوتاه

5:02

10:34

3:42

3:21

3:46

4:48

20:15

1:08