When Esperanza and the others stop their wagon ride to eat lunch in Los Angeles, why does Esperanza cry?

When they stop for lunch, Esperanza wanders off on her own. As she looks out at the valleys below, she thinks about how Papa taught her to feel connected with the land. Esperanza tries to hear the heartbeat of the earth but she cannot, which frustrates her.

Explanation:

This frustrating her making her cry.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

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