CorrectLondon Bridge is falling down

CorrectLondon Bridge is falling down
PurplE cityWhat is represented by this?
CITY
Wrong answerPurplE city
Capital cityWhat is represented by this?
CITY
CorrectCapital city
Face
6135
CrctFace
Land
L &
Crct answerLand
Clue please
O O O O O
The word starts with OClue please
Ohhhh... Its a wrong answerOhhhh
Please, what is the logic??Orange