Mr. Wu 's visit to Pyongyang was seen as a test of China 's increasingly doubtful influence over North Korea .
North Korea
Pyongyang
/location/location/contains
North Korea
Pyongyang
/location/country/capital
Pyongyang
North Korea
/location/administrative_division/country
North Korea
Pyongyang
/location/country/administrative_divisions
PERSON
Wu
LOCATION
Pyongyang
LOCATION
China
LOCATION
North Korea