Assertion: city's centre | /r/CapableOf | shift in early part of the 20th century
Facets:
Source sentences:
text: The city's centre of gravity began to shift south and west to the so-called Zona Sul (South Zone) in the early part of the 20th century, when the first tunnel was built under the mountains between Botafogo and the neighbourhood that is now known as Copacabana.