Hot index is not rating, it reflects the extent of how tourists know it. Hot index is nothing to do with whether the attraction is good or not, an attraction that everyone knows may not be good, one that nobody knows may not be bad.
1: Almost no one knows
2: Rare people know
3: Some people know
4: Most people know
5: Everyone knows
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Katoomba, the core town of Echo Point's Blue Mountain Scenic spot in (Blue Mountains), New South Wales, is a must-have for (The Three Sisters), the three most famous scenic spots in Blue Mountain.
At Echo Point's observatory, you can have a great view of the world. There is a visitor center where information is available to help visitors understand the environment around them. So it would be great to think of this as the first stop to Blue Mountain. There are also souvenir shops nearby, where maps can be bought. If you come back in the evening, you can still see the beautiful night scene in the beginning of the lights.
