What resorts needs a better 3D map for navigation?

I released my free service at https://ski.bonvo.org to see the 3D map of ski resorts, and i would like to add more ski resorts. It takes a lot of time to add ski reorts, so i want to prioritize what to add. Please comment ski resorts that:

1. hard to navigate
2. have a lot of flat slopes
3. unclear cable lift lines
4. hard to find amenities

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i will do it like this for the voted ski resort

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