Cheap eats and currency exchange

For quite a few years, The Economist has published its Big Mac Index, a metric that gives us Americans a better understanding of the values of various currencies around the world. By comparing the relative prices of a Big Mac, we can see how the other 94% live.
So, if you want to get a cheap meal, go to China or Hong Kong. You might, however, have to fly standing up.
Here's this year's edition of the Big Mac Index:

From Value meal