This document discusses 4 murals painted in Penang, Malaysia. The first mural by Simon Tan depicts an old lady and her grandson laughing together. The second mural by Ernest Zacharevic shows a little girl in blue practicing kung fu. The third mural by Kang Blabla features a boy worriedly sitting on books with books floating around him. The last mural by Michelle Yeoh portrays children excitedly walking toward a pink, imaginative world holding balloons. For each mural, the document provides details on the artist and analyzes concepts conveyed through symbols and visual elements.