Sent_en: 2zh 77-year-old local resident Chen Xiaohong, who lives 50 metres from ground zero, described the explosion: "I was watching my grandson finishing his lessons.
Sent_yy: 77岁的当地居民陈晓红住在离原爆点50米的地方，他描述了这次爆炸：“当时我正看着我的孙子完成他的功课。