Due to his disability and achievements , Tan has been an ambassador for several local disability awareness campaigns and performed in various charity shows , including a concert to raise funds for victims of the 2008 Sichuan earthquake . He and Sun Yajun led a choir rendition of the song 同在蓝色星球上 ( On The Same Blue Planet ) at the opening ceremony of the 2008 Summer Paralympics sailing regatta at Qingdao , China . In his spare time , he works as a guide for the Singapore edition of Dialogue in the Dark , an exhibition that helps sighted people understand the experiences of blind people
2008 Sichuan earthquake
2008 Sichuan earthquake
Kelvin Tan