![](http://www.alamy.com/thumbs/6/71F069C3-9DE2-4617-9969-0C88EDBD8BC2/DGXRB2.jpg)
Golden ratio green chalkboard with wooden frame.
Size: 4283px × 3064px
Photo credit: © Igor Stevanovic / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: art, background, black, blank, board, chalk, chalkboard, copy, design, education, empty, frame, golden, green, isolated, lecture, presentation, proportion, rasa, ratio, retro, school, space, spiral, tabula, texture, wooden