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(FILES) A picture taken on November 27, 2015 shows solar power towers at Abengoa solar plant in Sanlucar La Mayor. Spain's renewable energy giant Abengoa said on March 10, 2016 it had reached a preliminary agreement with its creditors aimed at staving off bankruptcy. Abengoa had been racing to restructure its debt ahead of a March 28 deadline or face going under, in what would be one of Spain's biggest corporate failures. / AFP / CRISTINA QUICLER (Photo credit should read CRISTINA QUICLER/AFP/Getty Images)

(FILES) A picture taken on November 27, 2015 shows solar power towers at Abengoa solar plant in Sanlucar La Mayor.
Spain's renewable energy giant Abengoa said on March 10, 2016 it had reached a preliminary agreement with its creditors aimed at staving off bankruptcy. Abengoa had been racing to restructure its debt ahead of a March 28 deadline or face going under, in what would be one of Spain's biggest corporate failures.
 / AFP / CRISTINA QUICLER        (Photo credit should read CRISTINA QUICLER/AFP/Getty Images)