Problem is the Tuscan village of Ponte Buriano nearby is so convinced that the Mona Lisa bridge is in their village, that they've made it a key feature of their local tourism campaign.
We have things like the pillars, we have a big fellow of the Mona Lisa, we have a giant centerpiece spiral that's going to go around, and a lot of other interesting types of motions and effects.
Sometimes the largest crowds are partly the products of bad management; the Mona Lisa is such a hurried experience today partly because the museum is being reorganized.
If you need even more evidence that eyebrows are weird yet important, take a look at the Mona Lisa, perhaps the most famous and enigmatic painting ever has no eyebrows.