Chinese teenager SUN YANG was born on December 1,1991
.Numbers 1 and 4 are lucky for him.
He is now 19 years old(1+9=10,1+0=1).
The year 2011 represents 4.
The lucky week is Sunday.
On Sunday,Sun Yang shattered the record held by Grant Hackett.
The record was held by Hackett for 10 years(1+0=1)
The Olympic debut of Sun Yang was in 2008(2+0+0+8=10,1+0=1)