This bundle includes three distinct high dynamic range sky timelapse sequences designed to provide animated environmental lighting for 3D scenes. The collections comprise high-resolution 32-bit EXR image sequences utilizing DWAB compression for efficient loading and playback.

The first volume captures a partially cloudy November day in Europe from sunrise to sunset across 497 frames. The second volume features an April day-to-night transition containing 840 frames, moving from sunny skies to starry nights. The third volume focuses entirely on a clear night sky photographed in Inner Mongolia, offering 531 frames that include stars, the moon, and the Milky Way.