# Images

## background.jpg

Public domain image sourced from [NASA]().

## Tetrominoes_IJLO_STZ_Worlds.svg

Public domain image soucred from [Wikipedia](https://en.wikipedia.org/wiki/File:Tetrominoes_IJLO_STZ_Worlds.svg).

`packed_tetris.svg` is derived from this image.

## Cloud_types_en.svg

Creative commons sourced from [Wikipedia](https://commons.wikimedia.org/wiki/File:Cloud_types_en.svg).

`building_clouds.svg` is derived from this image.

## 587-office-building.svg

Creative commons sourced from [Wikipedia](https://commons.wikimedia.org/wiki/File:587-office-building.svg).

`building_clouds.svg` is derived from this image.