Please choose the correct ending to complete the given sentence: Travel: [header] How to visit the petronas twin towers [title] Get free tickets. [step] You have to arrive before the petronas skybridge ticket counter opens at 8:30 am. By this time the queue is already' miles' long.

Ending1: Many queue as early as 6:00 in the morning. Usually by 9:30 am the tickets for the day will all have all been given out. Ending2: It's too late to park at the front entrance at the north tower, just wait for the line, and be prepared to leave. [title] Obtain your tickets and head into the main lobby. Ending3: If the queue is too small for you at the check-in counter, you can always get a better deal on an appropriate ticket by knocking on the bell to enter the lobby. [title] Appear at the end of the row of escalators. Ending4: [title] Go through first floor and go diagonally to the center of the building. [step] A young attendant will be waiting, so you get as many free tickets as you'd like to see.

Answer format: ending1/ending2/ending3/ending4