Do you collect all American doomsday jokes?

American doomsday jokes are all collected. The collection points of American doomsday jokes are as follows:

1, Pittsburgh, before getting on the bus.

2. The second floor of Pittsburgh Library.

3. Pittsburgh, enter the front area of the hotel and wait for Ellie.

4. In the hotel lobby, take the book and open the safe.

After leaving the sewer with my black brother, I went to town and waited while wandering.