Iowa state Auditor Rob Sand is seen in his office at the Iowa State Capitol in Des Moines. Multiple presidential campaigns have sought Sand's endorsement in the final stretch before next month's caucuses, which he has declined to give.
Clay Masters/Iowa Public Radio
Tourists, wearing face masks due to heavy smoke, take a selfie at Sydney Harbour on Dec. 19, 2019. As news of Australia's wildfires spreads around the world, fewer tourists are arriving in the country.
Jenny Evans/Getty Images
Duenet Alexand (left) and Berthenid Dasny have been maintaining the grounds at the St. Christophe memorial at Titanyen, north of Port-au-Prince, where thousands of earthquake victims were buried in mass graves.
Richard Tsong-Taatarii for NPR