APPENDIX 4. A MOVIE ON THE COLLECTIVE WORKSHOP TO FACILITATE DISCUSSION BETWEEN TWO VILLAGES Erratum: There is a mistake in the figure of the movie. The correct figure can be found in Fig. 4 in the paper. Click here to download and play movie. Because of the large file size, download of this movie may take more than 2 minutes. (File type: AVI, File size: 36206 KB)