The bright lights of Tucson, Arizona, are more than matched by a flash of lightning far above the city skyline. The sunset scene shows a classic cumulonimbus cloud formation.

• 意译：云彩的图片画廊。明亮的灯光在亚利桑那州图森市，多配合闪光和闪电远高于城市地平线。夕阳现场显示经典的积雨云形成的。