
Caption
Teacher giving instructions at digital board. Photo : Mark de Leeuw
Date
2011
Credit line
Photo12/Tetra Images
Reference
TTM12A18_486
Model release
Yes
License type
Royalty free
Available size
47,5Mb (1,9Mb) / 16,6in x 11,1in / 4992 x 3328 (300dpi)