A cross-section of Keyaki Hiroba plaza, in front of Saitama Super Arena. About the name: the trees in the square are zelkova, a type of elm known in Japanese as keyaki, hence the name “Keyaki Hiroba” (‘Hiroba’ ひろば means ‘open space / square / plaza’).

See: Urban design: Saitama Sky Forest & Keyaki Hiroba Beer Festival けやきひろばプラザ