I have zero interest in world knowledge for my LLMs but this got me wondering : are there RAGs for that kind of data ? How could a LLM like DeepSeek-v4-flash-vi

I have zero interest in world knowledge for my LLMs but this got me wondering : are there RAGs for that kind of data ? How could a LLM like DeepSeek-v4-flash-vision-exp accurately answer you question with an indexed database of labeled landmark pictures (or even 3D models ?).