Seven Dwarfs Mine Train, a playful and musical family-style coaster that immerses guests in the timeless story of Snow White and the Seven Dwarfs, officially opened at Magic Kingdom today in time to greet summer guests to Walt Disney World Resort. Joined by Big Brothers Big Sisters of Central Florida and Orlando Magic players Victor Oladipo and Tobias Harris, Magic Kingdom vice president Phil Holmes welcomed park guests as the first riders to experience the newest attraction at Walt Disney World Resort. As the crowning jewel of New Fantasyland – the…