Which one of the following cities was named by UNESCO as World Capital

Which one of the following cities was named by UNESCO as World Capital of Architecture for 2020 ?

Tokyo
Johannesburg
Rio de Janerio
New Delhi
This question was previously asked in
UPSC NDA-1 – 2019
The city named by UNESCO as World Capital of Architecture for 2020 was Rio de Janeiro.
This designation is jointly awarded by UNESCO and the International Union of Architects (UIA) every three years.
The designated city hosts the UIA World Congress of Architects. Rio de Janeiro’s nomination was based on its vibrant culture, historical buildings, and commitment to using architecture and urban planning as tools for social development and environmental sustainability.