a1 movie ground_instruments.mp4
b1 image slide3_b1.jpeg
master bigmovie -origin a2 -size 2x2 badger_hole3.mp4
c1 movie vegetation_structure_c1.mp4
c2 movie vegetation_structure_c2.mp4
c3 image vegetation_structure_c3.png
master image peterson_captions.003.jpeg