By reconstructing its provenance, researchers discovered that the drawing was consigned to the Dutch art dealer J.H. de Bois in 1911 by Johanna van Gogh-Bonger, the widow of Van Gogh’s brother ...

Step 9: Use a compass outside to place your wind vane in the correct direction and push the pencil in the ground or flowerpot. The higher the better! Step 10: Start observing and have fun! We just ...