Go—PopUp starts in the United Kingdom and Ireland with Popertee, the newest member of the Smart Retail Hub. This partnership increases the internationalisation of the pop-ups, creating new opportunities for our clients in the most exciting and important markets in the world. Its most-visited cities are Europe’s biggest retail centres, such as London, Barcelona or Berlin, attracting new commerce each year. These cities are also hosts of internationally-known events, such as fashion weeks, design fairs, and industry conferences.     In recent years the amount of short-term spaces has increased, as more property owners are attracted by the possibilities pop-up stores and events