In a small fire, a V-shaped burnmark may pinpoint where a fire began, but during post-flashover these patterns can occur repeatedly, when various objects ignite.
"I've watched the Bronx burn and left for abandoned and now being slowly rebuilt, " said Mark Naison, a professor of African-American studies and history at Fordham University.
Despite the threat of injury or burn-out, Rooney is keen to play as much as he can as he edges closer to the goalscoring mark of ex-United star Cristiano Ronaldo two seasons ago.