After a long restoration process, the New York Public Library's landmark building at 5th Avenue and 42nd Street is complete! They had the official ribbon cutting yesterday morning, and showed off the sparkling new facade. Click through to check out some photos from the event, and from the restoration process (who doesn't love some Before & After porn). And now, a zillion things you didn't know about the exterior restoration, in list form:

Duration of current restoration: 2 years

Square feet of marble facade: 150,000

Approximate number of existing marble units: 20,000

Gallons of Vulpex concentrated soap: 200

Linear feet of masonry joints re-pointed: 100,000

Hand carved marble dutchman patches installed: 2,045

Marble balusters replaced: 868

Mortar patches installed: 2,072

Cracks repaired: 1,145

Re-tooling repairs: 1,063

Square feet of bird netting installed: 18,000

Exterior doors restored: 20

Bronze windows repaired and refinished: 341

Glass panes replaced: 264

New bronze castings for window repairs: 14

Square feet of roofing replaced: 38,000

New cut stone pavers installed on the approach plazas: 73

Average crew size on the job at any one time: 45 (up to 80 at peak periods)

Restoration Cost: $50,000,000

The completion comes during its 100th year—the library opened on May 23rd, 1911. On that date this year there will be a rededication ceremony to celebrate.