Indonesia President Joko Widodo visits the location of a wildfire to observe the progress firefighters are making.br br Filmed on September 17, Widodo is seen pacing up and down observing the firefighters efforts to put out the remaining embers. br br The number of blazes in Indonesia's rainforests has increased sharply, spreading smog across southeast Asia and adding to concerns about the impact of increasing wildfire outbreaks worldwide on global warming.