Yamakasa is a traditional festival held annually in Fukuoka, Japan, typically in July. It features elaborate floats called yamakasa, which are carried through the streets by teams of men. The festival celebrates the local deity and is known for its vibrant atmosphere and competitive spirit. The highlight of the festival is the Oiyama race, where teams race through the city while carrying the floats. Each float is decorated with intricate designs and can weigh over a ton. The event attracts both locals and tourists, showcasing Fukuoka's rich cultural heritage and community spirit.