1. Investigating the vents in jewelry stores is part of the main task. According to the position of the letter "L" on the map, find the factory that gave the task to Lester Crixus.
2. Go to the office on the second floor and accept the investigation task of Leicester Jewelry Store.
3. According to the yellow radar line in the lower left corner, drive Lester to the jewelry store.
4. Come to the yellow spot displayed by the radar and find the door of the jewelry store.
5. Enter the interior of the jewelry store and use miniature camera to photograph the security situation of the jewelry store.
6. The next task is to investigate the vents in the jewelry store and turn right when you go out.
7. Find a decoration site in the back alley of the jewelry store (there are a pair of eyes above the door).
8. Enter the building and climb the stairs to the top floor.
9. Follow Lester's telephone instructions and find and climb to the highest point of the building (the radar in the lower left corner will have a yellow indicator).
10, standing at the highest point, opposite the vent of the jewelry store, the photo survey is completed.