Answer:
人々は自分が目にするほとんどすべてのものを信じています
At his house, I suppose.
Because in the note, Xiao Bai mentioned that "请你回来以后给我打电话” (please call me when you get back)
Ang nararamdaman mo habang isinusulat ang mga pangako sa sarili? bakit
This means that the sun was so hot it was hard to move with out burning up and sweating. Even though standing there is not gonna change the temperature.