Backstage at 'The Lion King' with Metro
Backstage at 'The Lion King' with Metro: If only we could all age as gracefully as "The Lion King." After 17 years on Broadway, the groundbreaking theatrical spectacle became the highest-grossing show of all time this past September. On Jan. 4, The Broadway League released its complete data set from 2014 " the highest-grossing, most-attended year to date in theater history. And it's no surprise that the highest-gross…