extensive renovation

Translations
обширная реконструкция
The museum is undergoing extensive renovation.
Музей проходит обширную реконструкцию.
Definitions
Extensive renovation refers to a comprehensive and thorough process of improving, updating, or restoring a building or structure, often involving significant changes to its layout, systems, and aesthetics. This may include major repairs, alterations, or expansions that enhance functionality and appearance.
Words
extensive

adjective
масштабный
renovation

noun
ремонт