The two-story showroom, decorated mostly in gray tones, is located in Cat Street, an alley that runs between Harajuku and Shibuya and is a haven of culture and fashion. The 200-square meter venue has three changing rooms and a photo booth for shoppers to capture their outfits, and will also showcase bags and cosmetics, according to the company. (Bloomberg) — Online fast-fashion behemoth Shein will open its first ever permanent physical store on Sunday, setting up shop in one of Tokyo’s most-popular areas as it seeks to live up to a lofty valuation that’s been shaken by slowing sales growth…