Photo credits
Every photograph here is public domain or CC0, so no attribution is required. Crediting the photographers anyway seemed like the decent thing to do.
All images are converted to a single duotone grade before use, so they may look nothing like the originals linked below.
- Free old books stacked messyCC0 1.0 · source
- learning-knowledge-2CC0 1.0 · source
- learning-knowledge-3CC0 1.0 · source
- Free globe map imageCC0 1.0 · source
- Free circuit board macro imageCC0 1.0 · source
- Network CableLenharth Systems · CC0 1.0 · source
- Fiber Optical Cablechaitawat · CC0 1.0 · source
- Mug CupCandace McDaniel · CC0 1.0 · source
- Patio FurnitureMatt Bango · CC0 1.0 · source
- Table Flowersphatonlaphat thongsriphong · CC0 1.0 · source
- Keys DoorWDnet Studio · CC0 1.0 · source
- Workbench MachineryLisa Fotios · CC0 1.0 · source
- Kitchen SinkThe Pic Pac · CC0 1.0 · source
- Laundry line. FSA (Farm Securitylibraryofcongress · CC0 1.0 · source
- Computer OfficeLukas · CC0 1.0 · source
- professional-academic-2CC0 1.0 · source
- String lights nightCC0 1.0 · source
- Free colorful board game piecesCC0 1.0 · source
- social-fun-3CC0 1.0 · source
- Free old vinyl records imageCC0 1.0 · source
- special-contexts-1CC0 1.0 · source
- Microscope labCC0 1.0 · source
- Empty hallway in a buildingMarkus Spiske · CC0 1.0 · source
- Wheelchair HospitalDirect Media · CC0 1.0 · source
- Candles light churchCC0 1.0 · source
- Monastery corridor, Karol ľudovít LibayCC0 1.0 · source
- Sunlight through treesyenco · CC0 1.0 · source