欢迎欣赏极光延时视频-卡爾加里 

what a large Aurora was on Thanksgivding day, really amazing to capture it by 4K timelapse video, enjoy it, Peyto Lake, Alberta, Canada.

请欣赏感恩节的超级大极光视频：

https://youtu.be/JCp0qTUTvwQ