"I am excited to be able to train with the best players," he said.
"For me Cristiano (Ronaldo) is the best in the world, he is the most complete and I'm going to train with him, play with him and learn from the best.
"The only way I see myself improving is to have a great coach, a great coaching staff ... and with (Zinedine) Zidane I can become the best player I am capable of."
Bale also said: "It has always been my dream, family vacations were going to Spain, returning with a replica of the shirt of Real.
"My close friends and I would pretend to be Madrid players in the park. Now it is great to be here."
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