South Korean members Shangsou and incheon mayor Yong-Ji Song line of people visit ping island.
By north Korean before the ruins of buildings ,Shangshou holding 2 round object which fired dark said: "this is cannon,is cannon".
Beside his is National Party spokesman Hang Huan Am asked, "This is a few millimeters cannon "
HuangZhenXia members (birth of artillery to reserve lieutenant) said: "this is 76 mm cannon."
Heng huan An say "ah! This is drawing type howitzer"
HuangZhenXia pointed to another said: "this may be 122 mm radiation cannon."
Later, they open and look inside, was originally vacuum flask.