Were there any shopping centres 80 years ago?
No, there weren't.
Were there any planes 20 years ago?
Yes, there were.
Was there an airport 20 years ago?
Yes, there was.
Were there any digital cameras 10 years ago?
Yes, there were.
Were there any mobile phones 90 years ago?
No, there weren't.
Were there any supermarkets 80 years ago?
No, there weren't.
Were there any MTR trains 100 years ago?
No, there weren't.
Was there a theme park 100 years ago?
No, there wasn't.
