One of the most insane things I did this semester was complete not one, but two crazy challenges. I walked around Singapore in three days and biked around Singapore in one night. Here's the story. The Singapore Walk Before I even stepped foot in Singapore, one of the guys in my cohort challenged me to complete a three-day walk around Singapore. One of his friends had studied abroad there previously, created the challenge, and even made a YouTube video about it. Ever since the