Conversation so far:
What was Cary Grant's acting legacy?
Cary Grant was the "greatest leading man Hollywood had ever known".
What did people who worked with him think about Grant?
He was a favorite of Hitchcock, who admired him.
What did Hitchcock say about Grant?
"the only actor I ever loved in my whole life".
What was his legacy regarding his looks?
CANNOTANSWER.
What is an interesting fact regarding his legacy?
a statue of Grant was unveiled.
Where was the statue?
in Millennium Square, a regenerated area next to Bristol Harbour, Bristol, in the city where he was born.

Question: What is it a statue of?
Self-contained rewrite: What is Cary Grant´s statue of?