Update README.md

README.md

@@ -33,6 +33,11 @@ The proposed classification has 13 semantic classes, hierarchically grouping 18
 
 A reference train/val/test split is provided.
 
+Lidar points clouds            |  Aerial imagery
+:-------------------------:|:-------------------------:
+![](./imagery_18_classes.png)  |  ![](./lidar_18_classes.png)
+
+
 ## Dataset Structure
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 The PureForest dataset consists of a total of 135,569 patches: 69111 in the train set, 13523 in the val set, and 52935 in the test set.
@@ -41,9 +46,6 @@ Band order is near-infrared, red, greeb, blue. For convenience, the Lidar point
 
 Lidar and imagery data were acquired over several years in distinct programs, and consequently they are asynchrone: depending on the location, up to 3 years might separate them. 
 
-Lidar points clouds            |  Aerial imagery
-:-------------------------:|:-------------------------:
-![](./imagery_18_classes.png)  |  ![](./lidar_18_classes.png)
 
 ## Annotations
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