Pope Francis launches jubilee, bringing pilgrims and grumbling to Rome

Jubilees are a Catholic Church tradition dating to 1300 .

Pope Francis will symbolically open the sealed Holy Door of St. Peter’s Basilica on Christmas Eve .

Jubilee year expected to draw 32 million visitors to Rome , 10 million more than this year .

Rome 's biggest facelift since the 1960 Olympic Games , Rome is transforming in ways that will outlast pilgrims.

The Vatican could begin to plug a gaping budget deficit through museum revenue, donations, purchased papal blessings, and pilgrimage stays in monasteries, convents and Catholic hostels.

At least one jubilee event a proposed “Gay Day ” has sparked controversy.

The biggest complaints have been about the construction and crowds.

Rome 's mayor says talk of projects being behind schedule is overblown.

Rents per square foot increased in October by 10 percent compared with the same month last year , experts say.

Protesters cover short-rental lockboxes with stickers reading, “Your Airbnb is our eviction” Robert Viviani : “The jubilee was coming, and a company offered him a lot more money to use the apartment for short-term rentals.”.