A woman holding an umbrella walks down a road as a rainbow is seen in the sky, in Sydney, Australia, June 17, 2015. The current El Nino weather event is developing with ocean temperatures expected to warm further and remain above El Nino thresholds for the rest of the year, Australia's Bureau of Metereology had said earlier this month. The El Nino, or a warming of sea-surface temperatures in the Pacific, is often characterised by lower rainfall over eastern Australia, and above average temperatures in the south of the continent. [Photo/Agencies]