This was put in intentionally to stop good qi (energy) flowing into the nearby South China Sea.
Washington wants to discuss security issues, specifically the South China Sea, North Korea, and Taiwan.
The two nations have been arguing over control of uninhabited islands in the East China Sea.
India, in turn, is pushing into the South China Sea, and seeking port facilities in Vietnam.
Since then, China claims the entire South China Sea as part of its historic waters, i.e.
Both sides ignored shouted questions from reporters about the South China Sea, AFP news agency said.
Do you have a view on China and ASEAN and the South China Sea issues?
Stay until twilight when the horizon twinkles with the lights of container ships plying the busy South China Sea.
China and South Korea are at odds over a part of the East China sea.
Invariably, the leaders will also discuss problems caused by competing sovereignty claims in the South China Sea.
Both countries are locked in a dispute over ownership of resource-rich islands in the South China Sea.
But offshore deepwater exploration could yet produce considerable finds more handily placed in the South China Sea.
But shipping chips across China is not so different from shipping them across the South China Sea.
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Another area of dispute is the South China Sea, which Beijing claims almost entirely as its own.
Tokyo and Beijing have been at loggerheads over a group of disputed islands in the East China Sea.
Her high-profile challenging of Chinese territorial claims in the South China Sea, beginning in 2010, infuriated Beijing's leadership.
In addition, that country and its southern neighbors have sparred over territorial rights in the South China Sea.
The radar incident happened near a group of islands in the East China Sea which both countries claim.
The Chinese government has made a positive contribution to safeguard the navigation security in the South China Sea.
Japan is currently embroiled in a separate territorial dispute with Beijing over islands in the East China Sea.
Macau sits on a horn of rocky coastline, where the Pearl River washes into the South China Sea.
That should not be hard nearly a quarter of the world's ocean freight passes through the South China Sea.
Much more worrying for Tokyo is China's push to claim disputed East China Sea islands, our correspondent adds.
Talking about tension, lets not forget China and Japan and the East China sea Island dispute.
Onto the coastal borders: the Taiwan Straits, the Bohai Bay, the East China Sea and the South China Sea.
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China says it fired flares, not weapons, at a Vietnamese fishing boat in the South China Sea last week.
BBC: China 'fired flares' at Vietnam boat in South China Sea
Threats of international conflict flickered around and across the South China Sea.
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