shoko matsumoto, nhk world, bangkok. >> and in a sign of just how strongly people in thailand feel about their monarchy, tens of thousands of cyclists have raced through bangkok to pay tribute to king bhumibol adulyadej. the event called "bike for dad" took place almost a week after the monarch's 88th birthday. participants dressed up in yellow, the color of the king. bangkok is notorious for traffic jams, but authorities closed off dozens of streets to ensure the cyclists could pass through. the world's longest serving monarch has reigned for nearly seven decades, but there are now worries about his health. the high-profile event was broadcast live on national television. and that wraps up our bulletin. i'm patchari raksawong in bangkok. >>> after weeks of waiting, the winners of this year's nobel prizes have received their awards. they gathered for a special ceremony in stockholm. among the winners are two japanese scientists. nhk world's kurando tago has the story. ♪ >> reporter: the ceremony was full of royal flourishes. the prize winners entered and awaited to be given their awards