There are four people in the image. The person on the left is a woman wearing a traditional Vietnamese dress, which includes a blouse and a skirt. She is holding a book or a certificate. The person next to her is a man wearing a suit. He is also holding a book or a certificate. The third person is a man wearing a suit as well. He is holding a book or a certificate. The fourth person is a woman wearing a traditional Vietnamese dress. She is holding a book or a certificate.