PNG IHDR 8 C sRGB pHYs + iTXtXML:com.adobe.xmp 2021-10-21 5155e360-3939-4e92-bd51-ba400f10cc57 525265914179580 2 Geo-information technology Natthawut Tananthaisong Canva IDATxwxTe{fRHI蠲UWQ\"(k[+UQTVW]pm;,HQQ"( &m1d̙9d\W.