Sharon recently visited the Mayan temple at Chitzen Itza in the Yucatan. She was humbled by its feeling of age and history, particularly because she is of Mayan descent. is the emotion she is likely feeling.

Awe  

Explanation:

Sharon recently visited the Mayan temple at Chitzen Itza in the Yucatan. She was humbled by its feeling of age and history, particularly because she is of Mayan descent. awed is the emotion she is likely feeling.

Sharon is awed by the feeling of age and the unique history of the Mayan people. The feeling of awe in this scenario, is the in-explainable strong feeling of respect and amazement at the Mayan history.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.