Was there an airport 100 years ago?
No, there wasn't.
Was there an airport 30 years ago?
Yes, there was.
Were there any MTR trains 100 years ago?
No, there weren't.
Were there any tablet computers 50 years ago?
No, there weren't.
Were there any digital cameras 30 years ago?
Yes, there were.
Were there any planes 30 years ago?
Yes, there were.
Was there a theme park 50 years ago?
Yes, there was.
Were there any steam trains 100 years ago?
Yes, there were.
Were there any mobile phones 50 years ago?
No, there weren't.
Was there a university 150 years ago?
No, there wasn't.
Was there a clock tower 100 years ago?
Yes, there was.
Was there a shopping centre 80 years ago?
No, there wasn't.