A rainbow emerges between rugged mountain peaks during a heavy rain storm, Banff, Alberta, Canada

weather outdoors day daytime hope stormy cloudy rugged promise raining rainbow landscapes scenics rainbows storms peak banff dramatic rainfall banff national park canadian rockies rocky mountains tourist attractions awe inspiring nature cloud mountains beauty in nature outside nobody scenic mountain range clouds forest landscape storm peaks national parks national park mountain color image tourist attraction travel destination travel destinations unesco world heritage site non urban scene no one no people after the storm