A nurse checks the fluids applied to a child suffering from dengue fever in a room of 'La Mascota' hospital in Managua, on October 30, 2013. The Nicaraguan government issued a health red alert as a dengue fever epidemic has killed 14 people so far this year and infected more than 5,000 individuals. Dengue, transmitted by the Aedes aegypti mosquito, occurs in Central America mostly during its rainy season from May to November. The disease causes fever, muscle and joint ache as well as potentially fatal dengue hemorrhagic fever and dengue shock syndrome. AFP PHOTO / Inti OCON
Danielle Gross casts his fishing line into the Potomac River as emissions spew out of a large stack nearby at the coal-fired Morgantown Generating Station June 29, 2015 in Newburg, Maryland. Today the U.S. Supreme Court ruled against the Environmental Protection Agency's (EPA) effort to limit certain power plant emissions -- saying the agency 'unreasonably' failed to consider the cost of the regulations.
Credit: Mark Wilson
Republican presidential candidate and former Florida Gov. Jeb Bush answers questions from employees of Nephron Pharmaceutical Company June 29, 2015 in West Columbia, South Carolina. Before talking with the employees of the Orlando, Florida based company Bush took a tour of the facility in West Columbia, South Carolina.
Credit: Sean Rayford
U.S. President Barack Obama (R) and President of Brazil Dilma Rousseff (2-R) visit the Martin Luther King Jr. Memorial, with National Park Service National Mall Superintendent Karen Laura Cucurullo (2-L), June 29, 2015 in Washington DC. Rousseff visits Washington DC for the first time since she became president in 2011.
Demonstrators during a rally in Athens, Greece, 29 June 2015. Greek voters will decide in a referendum next Sunday on whether their government should accept an economic reform package put forth by Greece's creditor. Greece has imposed capital controls with the banks being closed untill the referendum.
Credit: Milos Bicanski
King Felipe VI of Spain gives a speech during a state dinner given by Mexican President Enrique Peña Nieto and his wife First Lady Angelica Rivera at National Palace on June 29, 2015 in Mexico City, Mexico. The Spanish Monarchs are in their second state visit since the proclamation of Felipe VI as Spanish King last June 19th of 2014.
Credit: Manuel Velasquez/STR
Queen Letizia (L) and King Felipe VI (R) of Spain attend a dinner given by Mexican President Enrique Peña Nieto and his wife First Lady Angelica Rivera at National Palace on June 29, 2015 in Mexico City, Mexico. The Spanish Monarchs are in their second state visit since the proclamation of Felipe VI as Spanish King last June 19th of 2014.