With the Olympics a few days away I was having a look at some of the past logos of host cities and candidates, and noticed Istanbul has bid twice in the last decade.
Here are its logos:
2000

2008

Did they just rehash the 2000 bid and put that forward?
Beijing bid in 2000 as well

It's also interesting that out of 29 modern Olympics, only 17 countries have hosted(including 2012).
Europe has had 18, North America 6, Oceania 2, Asia 3.
America 4, UK 3, Australia, Greece, Germany, France 2.
London 3, Athens, LA, Paris 2.
Bit of an imbalance.....