You are right to say that everyone's condition deteriorates due to heat. It is the same that not only humans but also animals are in a bad condition due to heat gain because the intensity of heat has become very high and B. Due to the intensity, the health of many people is also deteriorating. You said that all of you sitting under the shade in the summer season, the shade of the trees looks very good and there are many people who sit under the shade of the trees. are just like that in front of our house and when the intensity of heat increases, we put our beds under the trees and sit under the shaddow, thus many of us avoid the heat and load shedding in summer.