20:30:01
20 hours and 30 minutes of pure black screen in HD!
24:00:01
24時間の動画。
10:00:02
Hypnotic Ambient Circles - 10 Hours 4K Glowing Particle Waves | Relaxing Wallpaper & Screensaver
12:00:00
12 Hour Black Screen UHD/4K/2160p
8:08:09