Click on the "UP" and "Dwn" buttons to reveal the characters behind the grill.
The sprites were drawn using the Scratch vector editor, except the pigeon gif. I am kind of slow in picking up new skills, no idea how to learn about AI generated graphics. The background music, <朋友> performed by 谭咏麟, was downloaded from https://youtu.be/ZQR_S8dVrvE?si=89nxlAxlomJxZXxk
