 Complete the following phrase:  Paying visitors viewed the cylindrical painting from the inside, entering through an entrance in the floor. After being seated, the central cylinder rotates slowly, affording a view of the entire painting. The painting at one time was the largest oil painting in the world, and if unrolled would measure high by long. It held this record until 1894, when it was surpassed in size by The Racławice Panorama 15 × 114 meter, 49 ft × 374 ft a cycloramic painting depicting the 