its all just an illusion Duck or Rabbit? https://img.purch.com/w/660/aHR0cDovL3d3dy5saXZlc2NpZW5jZS5jb20vaW1hZ2VzL2kvMDAwLzA5OC83OTMvb3JpZ2luYWwvRHVjay1SYWJiaXQtaWxsdXNpb24tTk8tUkVVU0UuanBn