By CCTV.com reporter Zhang Hao and Shen Jie

April 27 marks the International Guide Dogs Day this year, the time to dedicate these phenomenal animals for the tremendous differences they make to the lives of people who lost their sights. CCTV.com brings you stories of how the dogs and their owners keep the precious relationships and enlight each other's world.

Guide dog - Lucky

Tian Fengbo with Qiaoqiao