There are three people in the image. The person on the left is wearing a dark-colored shirt and appears to be standing close to a counter. The person in the middle is also dressed in dark clothing and is standing slightly behind the counter. The person on the right is wearing a light-colored shirt and is standing further back from the counter. All three individuals are facing the counter, which has a sign indicating "挂号" (registration) and "收费" (fee).