Shibuya Stream, a mixed-use development in Tokyo, integrates major train and subway stations with pedestrian pathways, enhancing urban connectivity. Completed in 2018, it revitalizes a dense urban area, providing seamless transit access and public spaces. The project features a network of voids within its design, fostering fluid movement and social interaction amidst a hyper-dense infrastructure.

Source:  https://urbannext.net/architecture-as-an-urban-mixer/