Spanish rejoneador (mounted bullfighter) Sergio Galan, French Lea Vicens and Portuguese Diego Ventura ride before the start of a bullfight at The Maestranza bullring in the Andalusian capital of Seville, southern Spain April 10, 2016. REUTERS/Marcelo del Pozo

Journalist and Moderator (L to R) Sergio Sarmiento sits next to Emilio Lozoya, CEO of Petroleos Mexicanos (Pemex), Tomas Estrada Gonzalez Minister on Mines and Energy of Colombia, Samir Brikho CEO of Amec Foster Wheeler Plc and Ignacio Sanchez Galan Chairman and CEO of Ibedrola as they attend the attends the World Economic Forum on Latin America 2015 in Riviera Maya, Mexico, May 7, 2015. REUTERS/Victor Ruiz Garcia

Spanish rejoneador (bullfighter on horseback) Sergio Galan performs at the Plaza de Toros on the first day of the San Fermin festival in Pamplona July 6, 2014. The San Fermin festival, best known for its daily running of the bulls, kicked off July 6 with the traditional "Chupinazo" rocket launch and will run until July 14. REUTERS/Joseba Etxaburu (SPAIN - Tags: SOCIETY ANIMALS)

Ignacio Galan, chairman of Spanish power company Iberdrola, gestures beside the painting "Adan y Eva" of German Renaissance artist Albert Durero during its presentation after a long restoration process at Madrid's El Prado Museum November 24, 2010. REUTERS/Sergio Perez (SPAIN - Tags: ENTERTAINMENT SOCIETY BUSINESS)

Spanish bullfighter Sergio Galan fights a bull at the Plaza de Toros on the first day of the San Fermin festival in Pamplona July 6, 2010.The San Fermin festival, best known for its daily running of the bulls, kicked off today with the traditional "Chupinazo" rocket launch and will run until July 14. REUTERS/Joseba Etxaburu (SPAIN - Tags: SOCIETY ANIMALS)

Ignacio Sanchez Galan, chairman of Spanish power company Iberdrola, speaks during the presentation of company's annual results in Madrid February 17, 2009. Iberdrola on Tuesday reported a 2008 net profit in line with expectations and said it expected a similar result in 2009 together with strong growth in core earnings. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spanish power company Iberdrola, speaks during the presentation of company's annual results in Madrid February 17, 2009. Iberdrola on Tuesday reported a 2008 net profit in line with expectations and said it expected a similar result in 2009 together with strong growth in core earnings. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spanish power company Iberdrola, speaks during the presentation of company's annual results in Madrid February 17, 2009. Iberdrola on Tuesday reported a 2008 net profit in line with expectations and said it expected a similar result in 2009 together with strong growth in core earnings. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spanish power company Iberdrola, speaks during the presentation of company's annual results in Madrid February 17, 2009. Iberdrola on Tuesday reported a 2008 net profit in line with expectations and said it expected a similar result in 2009 together with strong growth in core earnings. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spanish power company Iberdrola, gestures before the presentation of company's annual result in Madrid February 17, 2009. Iberdrola on Tuesday reported a 2008 net profit in line with expectations and said it hoped for a similar result in 2009
together with strong growth in core earnings. REUTERS/Sergio Perez (SPAIN)

Spanish mounted bullfighter Sergio Galan acknowledges the crowd after a bullfight on the first day of the San Fermin festival in Pamplona July 6, 2008. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan fights a bull on the first day of the San Fermin festival in Pamplona July 6, 2008. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan acknowledges the public's applause as he holds a bull's ear on the first day of the San Fermin festival in Pamplona July 6, 2008. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan fights a bull on the first day of the San Fermin festival in Pamplona July 6, 2008. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan fights a bull on the first day of of the San Fermin festival in Pamplona July 6, 2007. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan touches the head of a bull on the first day of the San Fermin festival in Pamplona July 6, 2007. REUTERS/Joseba Etxaburu (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, answers a question during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, delivers his speech during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, delivers his speech during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, answers a question during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, gestures during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, gestures during a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Ignacio Sanchez Galan, chairman of Spain's second-biggest utility company Iberdrola, gestures upon arriving for a news conference in Madrid November 28, 2006 to announce company's 11.6 billion pound ($22.5 billion) cash-and-share bid for Britain's utility company Scottish Power. REUTERS/Sergio Perez (SPAIN)

Spanish rejoneador, or mounted bullfighter, Sergio Galan looks on during the Santiago bullfighting fair in the northern Spanish town of Santander July 23, 2006. REUTERS/Victor Fraile (SPAIN)

Spanish rejoneador, mounted bullfighter, Sergio Galan looks on during the Santiago bullfighting fair in the northern Spanish town of Santander. July 23, 2006. REUTERS/Victor Fraile (SPAIN)

Mounted bullfighter Sergio Galan of Spain places a hat on a bull's head during a mounted bullfight at Pamplona's bullring July 6, 2006. REUTERS/Joseba Etxaburu (SPAIN)

Spanish mounted bullfighter Sergio Galan takes part in a 'rejoneo' or mounted bullfight in the Malagueta bullring in the southern Spanish town of Malaga August 14, 2005. REUTERS/Rafael Marchante RM/SV/JK

Spanish mounted bullfighter Sergio Galan steers his horse around a charging bull during a 'rejoneo' or mounted bullfight in the Malagueta bullring in the southern Spanish town of Malaga August 14, 2005. REUTERS/Rafael Marchante RM/SV/JK