Russia's invasion of Ukraine has become a "symbol" of the end of the post-Cold War era, forcing the international community to face a "historical inflection point," Japan's Foreign Ministry said in its annual policy report released Tuesday. As for Tokyo's description of Beijing as "the greatest strategic challenge," Wang said China "firmly opposes this," claiming that Japan has continued to smear and criticize its neighbor and has "wantonly interfered" in its domestic affairs. Beijing urges Japan to "reflect on its statement of building a constructive and stable relationship" with China and take concrete actions to that end, he added