GUM is a shopping mall located on Red Square in Moscow, Russia.
The Encyclopedia Britannica provides an excellent summary:
GUM, in full Glavny Universalny Magazin (“Main Department Store”), formerly Gosudarstvenny Universalny Magazin (“State Department Store”), the largest department store in Russia. Situated on a traditional market site on the northeast side of Red Square in Moscow, the building originally known as the Upper Trading Arcade was designed by A.N. Pomerantsev and built in 1889–93 in a pseudo-Russian style over a hidden metal skeleton. In its original form it housed more than 1,000 shops. Reconstructed in 1953, the structure has three levels and now houses about 150 shops. The store, which functions more like a Western-style shopping centre than a department store, offers food, clothing, home appliances, watches and cameras, and many other goods. In addition to offering a full line of products, GUM became a tourist attraction for its remarkable size and ornate interior.
I visited GUM in 2011. Shops with expensive designer-label products contrasted sharply with the communist proletariat-centered philosophy of the Soviet Union epitomized by Lenin’s tomb and the the Kremlin that sit just across Red Square from what is now a monument to capitalism.
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