For nearly a week, a thick, choking haze has hung over parts of southeast Asia.<br/> <br />Visibility in Singapore has gone from bad to worse making outdoor work particularly dangerous.<br/> <br />Construction workers in Singapore loosen their limbs during morning exercises, but today they're doing it while wearing face masks.<br/> <br />A pollution index above 300 is considered hazardous to your health... and at noon on Friday Singapore's index was 401.<br/> <br />The smoke is coming from Indonesia, where farmers slash and burn their fields to make way for more crops. It's a chronic problem, but one that is not easily remedied.<br/> <br />Government officials are in Indonesia to find a solution although Prime Minister Lee Hsien Loong says the haze could last for weeks, or longer.<br/> <br />The residual smoke wafting over Singapore has prompted government officials to issue health warnings for children and the elderly to stay indoors.
