Raza) and pre-Hispanic culture. They choose to do the ceremony here not only because it is close to where such rites used to be performed before the Spaniards came, but also because they are right next to the symbols of "Spanish" ecclesiastical and secular power (the cathedral and National Palace, respectively), which they oppose. The Zócalo area has been, since 2014, where large rallies have been held in the aftermath of the 2014 Iguala mass kidnapping, an event that has become symbolic for the climate of widespread criminality, impunity and governmental corruption that many feel the country faces. As artistic venue Since 1982, due to efforts to revitalize the city center, the Zócalo has become the scene of a number of artistic and cultural events. There are daily impromptu shows of Aztec dancers dancing to drums, wearing feathered headdresses and anklets made of concha shells. On a grander scale, some examples of events held here recently are Spencer Tunick's photo shoot where nearly 18,000 Mexicans bared all for the artist, surpassing the record set earlier in Barcelona and artist Gregory Colbert's Ashes and Snow Nomadic Museum. One curious event was the building of a temporary ice-skating rink of about 3,200 m2 in the middle of the Zócalo, for use by the city's residents for free in the winter of 2007. Since then, the rink has been repeatedly built up for several winter seasons. The Festival de México is an annual event with programs dedicated to art (popular and fine) and academia held in the Zócalo and some other venues in the historic center. In 2008, the 24th Festival had 254 performances and shows from over 20 countries in 65 plazas and other locations near the plaza. The Zocalo is often the site of major parades in the city including the Mexico City Alebrije Parade. Concerts by popular singers and groups have also been held here. Café Tacuba drew almost 100,000 people to the plaza in 2005 and Colombian superstar Shakira drew a crowd of about 210,000 according to Mexico's Civil Protection. In August 2008, a skateboarding/BMX event drew 50,000 young people on a Sunday afternoon. Paul McCartney drew an attendance of 250,000 people for a free concert played on the plaza on 10 May 2012 as a part of his On the Run Tour. Justin Bieber also offered a free show on 11 July 2012, where he performed in front