Answer:
The updating and modernizing of physical evidence
Step-by-step explanation:
This is because the travelers that passed through those sings knew that they had been there for a long time and that meant that the hotels may not be as updated as the new one that had been appearing recently.
Holiday Inn is in the updating and modernizing of physical evidence phase because they are giving their image a new, refreshing look so people know that the hotels they always knew and loved, has been prepating for receiving them again.