Also see The ParkRoyal on Pickering in Singapore. https://wp.architecture.com.au/international/award-for-comme...

Today the plants along the edge have grown and hang off the balconies, and I think it looks even better: https://www.businessinsider.sg/parkroyal-on-pickering-just-g...

The climate in singapore is probably more conducive to lush foliage than London.