Mexico City is about to experience a night to remember. Shakira just announced that she will be returning to the city’s famed Zócalo main plaza for the first time in 20 years to put on a free concert. The show will take place on Sunday, March 1, at 8 p.m. local time. ““¡México lindo! Remember 2007 when I sang for you at the Zócalo? Today, I want to tell you that this experience will happen again”  Shakira said  in her message. “You have given me so, so much, and I hope I can give back a little