http://www.youtube.com/watch?v=Jm3rHONOr9o
http://www.youtube.com/watch?v=KrRzQbNMfW4&NR=1&feature=endscreen
http://www.telegraph.co.uk/earth/earthpicturegalleries/7859013/30-electrifying-pictures-of-lightning-and-thunderstorms.html
그랜드 캐년의 썬더http://birdieguy.blogspot.co.uk/2011/09/some-incredible-grand-canyon-lightning.html
섬전암: 번개에 의해 모래가 녹아 생긴 암석http://thedailywhat.tumblr.com/post/35641140852/this-is-what-happens-when-sand-gets-struck-by
