It seems that time speeds up with each passing year. More and more changes occur in our lives, and the world around us evolves so fast that it sometimes makes our heads spin. You can see this graphically in big cities. Some of them looked completely different just ten years ago.

We thought it was time to take a quick trip back in time to see how much the world has changed. Take a look: you will be amazed at what we found!

Singapore: The 1960s vs. now

10 Incredible Cities That Have Changed Beyond Recognition
© huffpost 

Hong Kong: The 1960s vs. the present

10 Incredible Cities That Have Changed Beyond Recognition
© philakashi  

Fortaleza, Brazil: 1980 vs. now

10 Incredible Cities That Have Changed Beyond Recognition
© araraunaturismo  

Shanghai, China: 1990 vs. the present

10 Incredible Cities That Have Changed Beyond Recognition
© andina 

Toronto, Canada: 1930 vs. now

10 Incredible Cities That Have Changed Beyond Recognition
© lifestylecustom  

Seoul, South Korea: 1950 vs. the present day

10 Incredible Cities That Have Changed Beyond Recognition
© ever  

Nairobi, Kenya: The 1960s and now

10 Incredible Cities That Have Changed Beyond Recognition
© wykop  

Beijing, China: The 1940s vs. the present

10 Incredible Cities That Have Changed Beyond Recognition
© farm5  

Melbourne, Australia: 1920 and today

10 Incredible Cities That Have Changed Beyond Recognition
© pinterest  

Dubai, UAE: The 1980s vs. today

10 Incredible Cities That Have Changed Beyond Recognition
© rack