US President Barack Obama participates in the official inauguration of the VII Americas Summit in Panama City. (Mauricio Duertas/EFE/Sipa USA)

Firefighters tie an American flag to a fallen tree limb after a tornado destroyed much of the town of Fairdale, Ill. (John J. Kim/TNS/Sipa USA)

People welcome the Bengali New Year 1422 in Dhaka, Bangladesh. (Belal Hossain Rana/Pacific Press/Sipa USA)

A scenery of cloud-shrouded Wuji Mountain in Huoshan County, East China. (Xu Cheng/Xinhua/Sipa USA)

Cherry blossom are in full bloom in the Tidal Basin in Washington, DC. (MatailongDu/Sipa USA)

People dress up like Hindu deities known as Sang for a procession surrounding the Kalighat temple in Kolkata, India. (Saikat Paul/Pacific Press/Sipa USA)

Six years after an earthquake shook the Abruzzo region in Italy, many buildings in the village of L'Aquila are still deserted. (Riccardo Budini/UnFrame/Sipa USA)

Students of the Bagatur School for Ancient Martial Arts demonstrate combat techniques during a festival in Bulgaria. (Hristo Vladev/Pacific Press/Sipa USA)

Olivia Wilde and Jason Sudeikis attend the H&M Conscious Pop Up launch dinner in New York City. (David X Prutting/BFAnyc/Sipa USA)