# Rainbow

## Scene Characterisation

| Property | Value |
|----------|-------|
| Domain | WEATHER |
| Description | Rainbow after rain with correct arc position relative to sun.... |

## Key Tests
Rainbow arc geometry (42° from anti-solar point), color order, secondary bow

## Brain Config
```bash
python -m brain \
    --reference benchmark/references/weather/rainbow/pexels-1542495-rainbow.jpg \
    --domain WEATHER \
    --llm claude --tier opus \
    --max-iterations 20
```

## Licensing
- **Category**: stock-free
- **License**: Pexels License (free for all purposes, no attribution required)
- **Source**: https://www.pexels.com/photo/1542495/
- **Photo ID**: 1542495
- **Attribution Required**: No