PNG IHDR 8 8 l sRGB pHYs + diTXtXML:com.adobe.xmp 2021-11-28 2fa73ef2-1086-4538-9799-a3e4cf7c5cfd 525265914179580 2 AVK Posts sciblog Canva v IDATxw^lθ{c4Ls&&B/!@H0$06`0q^|w+펴ҮN:힟sZwϼ3#u