Iniesta was subbed off with a minute of normal time remaining and was surprised by Celtic Park's reaction .
"It was a surprise, it was very special to feel the applause. I'm very grateful to the people who do that kind of gesture because it comes from the inside, and when it comes from the inside that's when it's real," said Iniesta.
"People don't have the obligation to applaud. To be away from home and to be down a goal and for the people do that... it was emotional for me."
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