Skeptics say North Korea, which is unlikely to give up its nukes under any deal, is just using the Olympics to poke holes at the US-led global sanctions against the country and buy more time to further advance its strategic weaponry.
But tensions between the North and the USA, a South Korean ally, sparked by the Pyongyang's recent ballistic missile and nuclear weapons tests have cast a long shadow over the Games.
An estimated 35,000 spectators inside the Olympic Stadium were given seat warmers, wind shields, hats and gloves with temperatures as low as -6C during the two hour-long ceremony.
It's not as if peace has suddenly broken out - and the two Koreas are still officially at war, a war which goes back to the division of the peninsula into two in the 1950s.
In addition to the delegation, a North Korean art troupe and the country's cheerleading squad have also arrived in its southern neighbor to stage a performance or root for Korean athletes together with their South Korean counterpart.
U.S. Vice President Mike Pence, left, shakes hands with Fred Warmbier, the father of Otto Warmbier, an American who died previous year, days after his release from captivity in North Korea.
Forty-six members of its crew were killed in an attack; a South Korean, U.K. and US investigation showed it was carried out by the North.
An estimated 16 million people watched NBC's coverage of the first night of the Olympics, down 20 percent from the 20 million who watched the similar first night in Sochi in 2014.
However, some individual Russian athletes will be allowed to participate in the Games by competing under a neutral Olympic flag.
Earlier in the day the Court of Arbitration for Sport (CAS) in Pyeongchang dismissed appeals by 45 Russian athletes, and two former athletes now employed as coaches, to appear at the Games after they were not invited by the International Olympic Committee (IOC). He wore similar attire during the opening ceremony at Rio 2016, when he competed in taekwondo. "Only then will your lifelong memories be the memories of a true and worthy Olympian".
It was carried by the last torchbearers, a pair of hockey players from the unified team, up the stairs of a ramp to the moon-shaped white porcelain cauldron, with 2010 Olympic figure skating gold medalist Kim Yuna doing the final honors.
Reliance Jio's live television app Jio TV today said it has bagged digital rights to broadcast the Winter Olympic Games PyeongChang 2018 across India. The first five gold medals will come on Saturday, in cross-country skiing, short track, speedskating, biathlon and ski-jumping.
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