Los Angeles

Question 1:What is the official nickname of Los Angeles? 
Question 2: Which famous Los Angeles landmark features the names of celebrities inscribed on pink terrazzo and brass stars?
Question 3: What is the name of the largest park in Los Angeles, which covers over 4,300 acres and includes attractions like the Griffith Observatory and the Los Angeles Zoo?
Question 4: Which major film studio, known for classic movies like "Casablanca" and "The Maltese Falcon," is the oldest continuously operating studio in Hollywood?
Question 5: What is the name of the historic theater district in downtown Los Angeles, known for its concentration of grand movie palaces built in the early 20th century?