seen from Mexico

seen from Morocco
seen from United States
seen from Morocco
seen from Morocco
seen from United States
seen from United States
seen from China

seen from United States
seen from United States

seen from Morocco

seen from Malaysia

seen from United States
seen from China

seen from Malaysia

seen from United States

seen from Canada
seen from China

seen from United States
seen from China
flat 16-cell
orthographic 16-cell
hexadecachoron
Regular hexadecachoron(16-cell) is rotating in 4-dimensional space!