The challenge before reaching the production stage for 5G is to assess its performance in large-scale facilities. EU-funded 5G PPP project 5G EVE is addressing this challenge by building a distributed and interworking 5G endto-end facility in Europe across various sites. In this paper we explain the architecture of the 5G EVE end-to-end facility and present each site with their respective features, including the interworking among them, which provides a clear add-on to country-based trials. The 5G EVE site facilities are designed to offer automated network slice deployment tools and a new validation framework. This framework will offer tools for testing 5G radio and various core solutions. It will also allow experimenting and benchmarking different classes of end-toend network slices and services. These services are defined by a set of selected vertical use cases in sectors like energy, transport, smart cities, tourism, and manufacturing (Industry 4.0). 5G EVE's large-scale trials are being deployed in four European countries: Italy, France, Spain, and Greece.

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