The New Zealand city of Christchurch on Sunday marked the 15th anniversary of the devastating 2011 earthquake that claimed 185 lives and injured thousands.Some 115 of the victims died in the collapse of the six-story Canterbury Television Building when the magnitude 6.3 temblor struck, including 28 Japanese studying English at a language school on the building's third floor.A memorial service for bereaved families was held at Avonhead Memorial Cemetery on Sunday morning, followed by a public service at the Canterbury Earthquake National Memorial, where attendees observed a minute's silence …READ FULL ARTICLE