The orthophoto of Prévessin site has been recently updated and is available on GIS Portal. The aerial images with resolution 14 mm/pixel were obtained with a mapping drone. The flights took place on 18th February 2018. The Meyrin site will be updated soon.
If you can’t see the new orthophoto, please clear your browser's cache (Shift + Ctrl + Del, then clear cached images and files).