Update README.md

README.md

@@ -63,6 +63,8 @@ The 200 km² + 25 km² of train and val data were sampled in the remaining areas
 Sampling area considered to create FRACTAL. Test sampling areas are highlighted in red.
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+### Aerial Images
+The aerial images used for colorization of FRACTAL's point clouds are made available in a separate repository: [IGNF/FRACTAL-IRGB](https://huggingface.co/datasets/IGNF/FRACTAL-IRGB).
 
 
 ## Citation