Australian Prime Minister Julia Gillard is escorted to safety by body guards and police through a crowd of rowdy protesters following a ceremony to mark country's national day in Canberra. (AP)

Indian Border Security Force soldiers ride camels during the Republic Day parade in New Delhi. (AP)

An honor guard before the welcoming ceremony for Spain Prime Minister Mariano Rajoy at the chancellery in Berlin, Germany. (AP)

Rescue workers carry the body of a victim after a building collapsed in Rio de Janeiro, Brazil. (AP)

Lawmakers from the leftist Palikot's Movement cover their faces with masks as they protest against the Anti-Counterfeiting Trade Agreement, during a parliament session, in Warsaw, Poland. (AP)

This enhanced-color image shows sand dunes trapped in an impact crater in Noachis Terra, Mars. (NASA/JPL-Caltech/Univ. of Arizona)

A snow-covered house stands near the village of Destne v Orlickych horach, Czech Republic. (AP)