Berlin 1945: Victory Day

Generate an image simulating the effect taken at {argument name="location" default="52.5186° N, 13.3762° E"}, {argument name="date" default="May 8, 1945, 16:00"}. Generate an image with {argument name="aspect ratio" default="1:1"} aspect ratio, arranged in a neat 2x2 grid, containing four equal panels showing different viewpoints.