if an object / something is in the sunlight then that object / that something will absorb solar energy & a sidewalk is located outside -> a street located within will absorb solar matter a sidewalk located outside will absorb solar energy  a street located within will absorb solar matter & absorbing sunlight causes objects to heat -> the sidewalk located outsie will heat the sidewalk located outsie will heat  the street located outsie will light & if something heats, it will feel hot -> the sidewalk located outside will feel hot