"No Limits" has something in common with "Topsy Turvy, " the camera obscura in Madison Square Park, created by artistic partners Sandra Gibson and Luis Recoder: Both works offer a new image of the Flatiron Building.
Ms. Gibson and Mr. Recoder (45 and 42, respectively), who specialize in light projections, wanted to utilize two of the park's salient features: the unique architectural wedge that punctuates the neighborhood, and the water towers atop the area's buildings.