災害 https://yoshisecond.hatenablog.com/entry/2023/08/18/172250 防災防犯 https://agedashitohfu03.web.fc2.com/dp/dp.html 【BGM】新世界 ドヴォルザークclassix https://classix.sitefactory.info/downmp3.html
http://www.nicovideo.jp/watch/sm43638125