The bishops have a curious dynamic in this variation. They are moving around all the time, pinning pieces and trying to unpin others.
1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. g1f3  3... g8f6  4. b1c3  4... c7c5  5. e2e3  5... b8c6  6. c4d5  6... e6d5  7. f1b5  7... c5d4  8. e3d4  8... f8d6  9. e1g1  9... e8g8  10. c1g5 