Lower Manhattan in the 30's is near perfect - breathtaking especially considering how far it was ahead of everyone else with only Chicago a competitor.
I'm not a big fan of skyline Sydney in 2010, even today I wouldn't rank it in my top ten. Back then and to some degree now it's rather generic with an supersized Calgary KFC bucket with chains for a signature observation tower. Yes there is the undeniable bridge and opera house, but the opera house is again not a favourite building of mine.
I had to look back to see what Sydney looked like in 2010, here's a good visual summary:
https://www.skyscrapercity.com/threa...-2010.2234246/
click 'preview image for a collapsed post' for the pics.
As far as buildings from 2010 or prior, can't say I could name many at all:
https://skyscraperpage.com/diagrams/?cityID=172
New York, Chicago, Hong Kong, London in the top five for me, slot open for number 5 depending on the day.