Substitute Cole Palmer got England back into the final with an equaliser before Mikel Oyarzabal fired a late Spain winner.
Spain claimed a 2-1 win while the Three Lions fell at the last hurdle for a second European Championship final in succession.
His technique included filming in Vermont woods for a week alone with a camcorder and building a waterfall on a soundstage.
William, who attended the match in Berlin alongside his son Prince George, said ‘it just wasn’t meant to be’.
Defeat marks a second successive final loss for Gareth Southgate’s men.
Cole Palmer came off the bench to level things up at Berlin’s Olympiastadion.
The England manager has led his country at four tournaments.
