NEW : More than 100 wildfires -- including 29 that are not contained -- are raging . A series of wildfires nearly 1,000 miles long threaten the state of New South Wales , Australia . High winds and temperatures threaten to make Wednesday the worst day for the blazes . More than 200 homes in the Blue Mountains region north of Sydney have been destroyed .
NEW : More than 70 wildfires -- including 29 that are not contained -- are raging . A line of wildfires nearly 1,000 miles long threatens the state of New South Wales , Australia . High winds and temperatures threaten to make Wednesday the worst day for the blazes . More than 200 homes in the Blue Mountains region west of Sydney have been destroyed .