People visit the art exhibition \'A Dream I Dreamed\' by Japanese artist Yayoi Kusama at the Museum of Contemporary Art of ShanghaiReutersA woman takes pictures at an exhibition of works by Japanese artist Yayoi Kusama at Museum of Contemporary Art of ShanghaiReutersValerie Vinvant and Todd Palmer perform in a boat at the Welles Park swimming pool during a rehearsal of Chicago Opera Theatre\'s production of \"Orpheus & Euridice\"ReutersPeople lie down in a pedestrian zone in Frankfurt, as part of an art project in remembrance of 528 victims of the Katzbach Nazi concentration camp. The inmates of the Katzbach concentration camp, a part of the former Adler industrial factory, were forced into a death march to the concentration camps of Buchenwald and Dachau on March 24th 1945. Some 528 victims of Katzbach are buried at Frankfurt\'s central cemeteryReutersFans of Metallica flash signs during the band\'s concert at the Jockey Club in Asuncion, ParaguayReutersOne of Michelle Obama\'s security guards stands beside a man wearing a Chinese ancient warrior costume during her visit to the City Wall in Xi\'an, Shaanxi provinceReutersUS first lady Michelle Obama practises tai chi with students at Chengdu No 7 High School in Chengdu, Sichuan province, ChinaReutersBritain\'s Prime Minister David Cameron and US President Barack Obama point at each other as they participate in a G7 leaders\' meeting during the Nuclear Security Summit in The HagueReutersQueen Maxima of the Netherlands points to paintings on the ceiling of the Royal Palace Huis ten Bosch in the Hague during the official dinner for members of the Nuclear Security SummitReutersTwo US helicopters land at The Hague airport during the Nuclear Security SummitReutersLars Triebe inspects the Autonomous Underwater Vehicle \'Abyss\' at the Helmholtz Centre for Ocean Research in Kiel, Germany. The \'Abyss\', one of only three unmanned deep sea search submarines in the world, may join the hunt for the missing Malaysia Airlines MH370. The submarine is designed to perform in depths up to 6,000 metres and can stay submerged for up to 22 hoursReutersSchoolgirls pray next to a sand sculpture created by sand artist Sudarshan Patnaik to pay tribute to passengers and crew onboard the missing Malaysia Airlines flight MH370, on a beach in Puri, in the eastern Indian state of OdishaReutersA relative of a passenger on board Malaysia Airlines MH370 cries during a protest in front of the Malaysian embassy in BeijingReutersChildren attend a prayer ceremony for the passengers and crew of missing Malaysia Airlines flight MH370, at a school in Jammu, IndiaReutersA ground controller guides a Royal Australian Air Force AP-3C Orion on the tarmac on its return to RAAF Base Pearce, north of Perth, after a search for Malaysian Airlines flight MH370 over the Indian OceanGettyA worker walks out of the Connaught Tunnels section of the Crossrail construction project in East London. Crossrail are nearing completion of the deepening of a disused Victorian era railway tunnel to allow modern electric trains to travel through them. Europe\'s largest civil engineering project is due for completion in 2018ReutersWell-wishers, mourners and many affiliated to trades unions, prepare to greet the horse-drawn funeral cortege of RMT General Secretary Bob Crow outside the City of London CrematoriumGettyRelatives of Spain\'s former Prime Minister Adolfo Suarez walk behind his coffin at the Spanish parliament in MadridReutersA smokescreen created by crew members partially obscures the blockaded Ukrainian naval landing vessel Konstantin Olshansky in Donuzlav bay in CrimeaReuters
