花火ネタ

http://www.japan-fireworks.com/basics/color.html

http://www.city.nagaoka.niigata.jp/kankou/miru/matsuri/syurui.html

http://www.itown.to/d/special/hanabi/

http://www.za9za9.com/area/hanabi/chisiki/index.html

http://www.emachi.co.jp/season_sp/hanabi2009/rekishi.html

http://www.hanabi-jpa.jp/uchiage/fun.html