Cascade of colourful books connected by ladders light bulb on top as symbol of ideas or invention. Studying education and e-learning concept. 3D illustration.
ID: 2016319220
以图搜图
- 大图:5800 × 4350 像素·49.11 cm × 36.83 cm·300dpi·JPG
- 中图:1000 × 750 像素·35.28 cm × 26.46 cm·72dpi·JPG
- 小图:500 × 375 像素·17.64 cm × 13.23 cm·72dpi·JPG