Is lock screen off?

Is location services on for your browser?

Preferable use Google Chrome for better performance of the app.

Now you can start!

Thank you for participating!

If you want to continue erasing the map or want to add a video (to share your experience) you can do this anytime by going back to the tool. In case you want to view the map or find more information about this research project you can go to this website

Now please be patient while your video is uploaded (it can take up to minutes but you can continue walking/erasing!). You don’t have to do anything, you will see the map again once the video has been uploaded.