Italian tenor Andrea Bocelli performs in an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope. [Photos: China Daily]

Italian tenor Andrea Bocelli performs in an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli.

Italian tenor Andrea Bocelli walks in front of an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli walks in front of an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli performs in an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli walks in front of an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli.

Italian tenor Andrea Bocelli walks in front of an empty Duomo cathedral in Milan, Italy on Easter Sunday as part of a solo concert Music for Hope.

Italian tenor Andrea Bocelli.