A poster of a futuristic city with a clock tower

create an intriguing and inspiring cover for the 'Echoes of Tomorrow' eBook: Vislumbrando o Destino das Tecnologias'. The cover should capture the feeling of a dynamic and promising future, where technologies are intertwined with our daily lives. Use vibrant colors and elements that symbolize the intersection of innovation and nature. Include the eBook title prominently, com uma tipografia moderna e elegante. Let the cover instill a sense of excitement and anticipation for what tomorrow holds."