PNG Watercolor illustration of Hiroshima, Japanese landmark, isolated on white background --ar 3:2 https://www.rawpixel.com/image/12051218/png-white-backgroundView licensePNG Drawing of a castle, transparent background https://www.rawpixel.com/image/572327/png-drawing-castle-transparent-backgroundView licensePng old European architecture watercolor illustration set https://www.rawpixel.com/image/2681040/free-illustration-png-mosque-castle-drawing-watercolorView licenseJapanese ancient castle transparent png https://www.rawpixel.com/image/2102383/japanese-palace-pngView licenseAntique png icon drawing illustration set https://www.rawpixel.com/image/2784583/free-illustration-png-castle-flag-pngView license