Món quà tinh thần gởi tặng Thanh Tran từ: tiếu lâm, vochieu, MitDot, vinh_hien, quynhnhi, mlam1972, tien_quoc, Can Tran
If your eyes follow the moving dot, its color is pink, but if you look at the + at the center, the color of the moving dot will be green.