It was after 10:30 at night. I was surrounded by towers of nondescript apartment complexes over 20 stories high, though the middle courtyard was graced with beautiful trees hiding maze-like walkways. The Shanghai summer night was mild, cooled off after another blisteringly hot day, and I was going home after a relaxing night out with friends. Lost in my thoughts about nothing, it took a moment for me to hear the footsteps trailing behind me. The area I was walking in was not particularly well lit, but I had no reason to think anything of the sound. But I did. Because I'm a woman, and that's wh