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The Lotte World Mall Complex contains several buildings, including the Lotte World Tower, Avenue L, and the Lotte World Mall. The Lotte World Tower contains retail components, offices, a seven-star luxury hotel, and an officetel. The Avenue L building contains an Avenue L department store and a Lotte Duty Free Shop. The Lotte World Mall contains Lotte Mart, Hi-Mart, Lotte World Aquarium, Lotte Cinema, and Lotte Concert Hall. Lotte Mart is a hypermarket, while Lotte Hi-Mart is a home appliance and electronics store.