TULSA, Okla. (AP) — A $500,000 grant from the National Park service will be used to renovate buildings along Tulsa's former Black Wall Street, nearly 100 years after the area was largely destroyed and as many as 300 people were killed in one of the nation's deadliest outbreaks of racial violence. The Greenwood Chamber of Commerce, which manages the one-block long business district on the city's iconic North Greenwood Avenue, announced the funding on Tuesday, the Tulsa World reported. Chamber President Freeman Culver said the money should be enough to replace roofs and pay for reconstruction of the exteriors on the Greenwood Centre's 10 buildings, many of which were built in the 1920's.