https://huggingface.co/spaces/haoqi7/research/resolve/main/documents/docs/3-visualization.md
hf download hf://spaces/haoqi7/research/documents/docs/3-visualization.md
curl -L -o 3-visualization.md https://huggingface.co/spaces/haoqi7/research/resolve/main/documents/docs/3-visualization.md
