This complex of escalators and travelators was built in 1993 and it is one of the longest escalator systems in the world. You can take the escalator to the top and then have a pleasant walk through the surrounding neighbourhood while visiting the local shops, cafés and takeaway restaurants. While traveling, you can enjoy a wonderful view of adjacent streets.
However, since the escalator is not only a sight but it is also actively used by the locals, it might get crowded, especially during the rush hours.
The escalators run downhill daily from 6 am to 10 am and uphill from 10 am to midnight.
The escalator ride is free.
Wikipedia https://en.wikipedia.org/wiki/Central%25E2%2580%2593Mid-Levels_escalator_and_walkway_system
Official website http://www.td.gov.hk/en/transport_in_hong_kong/pedestrianisation/hillside_escalator/
Address 9 Cochrane Street, Central & Western District, Hong Kong SAR China
Coordinates 22°16'59.277" N 114°9'15.948" E