A spectator watches second round matches at the Australian Open tennis championship as temperatures are expected to top 44 C (112 F) in Melbourne, Australia, Thursday, Jan. 16, 2014. (AP Photo/Mark Baker)
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A spectator watches second round matches at the Australian Open tennis championship as temperatures are expected to top 44 C (112 F) in Melbourne, Australia, Thursday, Jan. 16, 2014. (AP Photo/Mark Baker)
