Zaha Hadid Architects' 35-story Alta Bank Tower in New Belgrade integrates bank headquarters, luxury residences, offices, and retail around a pedestrian plaza near Ušće Park and the Sava-Danube confluence. Terraced gardens, atria, and graduated louvers optimize light, shade, and views, with lower floors for banking, mid-levels for offices, and upper levels for residences with terraces. The sinuous form creates a sustainable mixed-use gateway for Belgrade's evolving district.