Semana Grande, or "Big Week," is an annual festival celebrated in various cities across Spain, most notably in Bilbao. It typically takes place in mid-August and lasts for about a week, featuring a variety of events, including concerts, parades, and traditional Basque sports. The festival attracts both locals and tourists, creating a vibrant atmosphere filled with music and cultural activities. During Semana Grande, the streets are adorned with decorations, and food stalls offer delicious local cuisine. One of the highlights is the fireworks display, which lights up the night sky, drawing large crowds. The festival showcases the rich cultural heritage of the Basque Country and promotes community spirit.