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Typically, kindergarten teachers are quite cautious when it comes to looking after children. After all, since the parents have to go to work, leaving their kids in kindergarten is very much about having someone to help keep an eye on them and take care of their daily needs, including meals and routines. The actual learning the children may gain is of secondary importance.
Given that, the teachers at the kindergarten would not let the little ones play under strong sunlight for too long, or else, even before the children might suffer from heatstroke, the parents would stand up in protest!
If the children were not exposed to too much direct sunlight, how did they get heatstroke?
Another question immediately came to Lin Feng's mind, "Today is Saturday, isn't the kindergarten supposed to be closed? But looking at the situation, it seems they haven't taken a day off at all!"