Blink Cincinnati is once again casting a spotlight on downtown Cincinnati and Northern Kentucky. The nation's largest art, light and projection mapping festival returns Oct. 17-20. The fourth iteration of the event is set to feature over 80 installations spanning more than 30 blocks in Over-the-Rhine,

With more than 80 installations spanning over 30 city blocks, it's hard to choose favorites. From new to returning light pieces and shows, here are just some of the must-see options.

To fully understand the scope of Blink, The Enquirer worked with organizers to come up with some numbers that illustrate its local impact.