The world has evolved so rapidly over the last 100 years that it's difficult to imagine just how much things have changed during that time. Many of the world's most famous cities - like Kuala Lumpur for example, or Hong Kong - bare little resemblance to their earlier selves, and cities such as Dubai didn't even exist at all until fairly recently. Take a look at these then and now pictures to see what we mean. They're sure to give you a fresh perspective on how you look at the world. 1 Dubai, United Arab Emirates - 2000 And Now 2 Seoul, South Korea - 1900 And Now 3 Vilnius, Lithuania - 1900 And Now 4 Abu Dhabi, United Arab Emirates - 1970 And Now 5 Singapore, Republic Of Singapore – 2000 And Now 6 Tokyo, Japan - 1945 And Now 7 Dubai, United Arab Emirates - 2005 And Now 8 Rio De Janeiro, Brazil - 1930 And Now 9 Sydney, Australia - 1932 And Now 10 Shenzen, China - 1964 And Now 11 Fortaleza, Brazil - 1975 And Now 12 Bangkok, Thailand - 1988 And Now 13 Athens, Greece - 1862 And Now 14 Berlin, Germany - 1945 And 1990s 15 Toronto, Canada - 1930 And Now