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A cultural hotspot (could be spelt as "hot spot") is a popular place/cultural center where some cultural events take place regularly, or a place that represents culture or is closely connected with culture. It can be an art centre or a museum.

Русский эквивалент - центр культуры как место, где регулярно проводятся некоторые культурные мероприятия, или место, которое представляет культуру или тесно связано с культурой.

Примеры употребления фразы:

Many celebrities have discovered that their selfies in cultural hotspots have a greater impact on their followers and fans.

The UK can also boast about its own new cultural hotspots, with the V&A Dundee, Scotland’s first design museum, being the most recent example.