What doors? How is the video not correct when the creator obviously finished the location? Could it be that you're actually missing a step or doing something which is causing the doors not to open?
You need to explain in further detail where you're having difficulty or if you're unable to explain, then provide a screenshot to help illustrate. Help us help you by being more specific.
PS: the different videos provided for each region are actually no different. They just illustrate the energy cost of the tiles for each region.