Brasília has also been the focus of modern-day literature. Published in 2008, The World In Grey: Dom Bosco's Prophecy, by author Ryan J. Lucero, tells an apocalypticle story based on the famous prophecy from the late 19th century by the Italian saint <answer>Don Bosco</answer>. According to <answer>Don Bosco</answer>'s prophecy: "Between parallels 15 and 20, around a lake which shall be formed; A great civilization will thrive, and that will be the Promised Land." Brasília lies between the parallels 15° S and 20° S, where an artificial lake (Paranoá Lake) was formed. <answer>Don Bosco</answer> is Brasília's patron saint.
Whose prophecy is 'The World In Grey' based on?
Don Bosco