1. http://www.zaha-hadid.com/
2. Lack of user-friendly navigation.
3. Users will lose interest if they can't find what they are looking for. A good rule of thumb is if a user has to click more than 3 times to get to where the user wants to be, then the website is poorly designed.
4. Create a user-friendly navigation bar at the top or on the side of the website.
Completed Successfully with no problems what so ever!