double rainbow 雙彩虹
Pictured: Breathtaking DOUBLE RAINBOW graces the sky over a tiny Nevada town following drenching monsoon storms | Mail Online http://www.dailymail.co.uk/news/article-2173779/Pictured-Breathtaking-DOUBLE-RAINBOW-graces-sky-tiny-Nevada-town-following-drenching-monsoon-storms.html