
Caption
Teacher giving instructions at digital board. Photo : Mark de Leeuw
Date
2011
Credit line
Photo12/Tetra Images
Reference
TTM12A18_487
Model release
Yes
License type
Royalty free
Available size
50,0Mb (2,0Mb) / 17,1in x 11,4in / 5122 x 3415 (300dpi)