Antique thangka "Green Tara." Cotton fabric, painting, silk, gold thread embroidery. Tibet, 20th century.Thangka (Tankha) is a religious image in Tibetan art, where the main figure is depicted in the center, surrounded by his deeds. This particular image depicts Green Tara, the Mother of all Buddhas, symbolizing salvation, mercy, and compassion. People pray to the goddess Tara when protection and assistance are needed.