The Lennon Wall in Prague, Czech Republic is a colorful and ever-changing symbol of love, peace, and freedom. Originally filled with John Lennon-inspired graffiti and Beatles lyrics in the 1980s, it has since become a canvas for global causes and local expressions. Despite being painted over by authorities at times, the wall always bounces back with new messages of hope and activism. Visitors can leave their mark in designated areas, adding to the wall's legacy of art and protest.