May 7, 2017
seen from Yemen
seen from United States
seen from United States
seen from Chile
seen from Germany
seen from Singapore
seen from Türkiye
seen from United States
seen from Pakistan
seen from United States
seen from Canada
seen from Türkiye
seen from Malaysia
seen from United States
seen from Bulgaria
seen from United States
seen from Jamaica
seen from United States
seen from United States
seen from Yemen
objects: ink, cup, napkin, string
action: pulling
goal: record hand movement and its repetition