Why did the shoppers suddenly seem unfriendly and hostile?

2) She could not find the fish stall because the market was huge, with miles of stalls that all looked the same, and she was struggling through a throng of shoppers.

3) The shoppers suddenly seemed unfriendly and hostile to the narrator because she had just realized her phone was stolen, making her feel vulnerable and suspicious of those around her.

4) She felt foolish because the man she had perceived as hostile and following her was actually trying to return her lost phone, and she had completely misunderstood his intentions.

5) The story likely takes place in a Spanish-speaking country (or a country where Spanish is commonly understood, like Spain). The reason is that the narrator says "Gracias" to the man who returned her phone, which is Spanish for "thank you".