Miniature models representing the 55 sports that will be on show at next year's Tokyo 2020 Olympic and Paralympic Games were on display in the Japanese capital on Thursday, 400 days before the summer showpiece begins.
The 2020 Olympic Games will see Tokyo incorporate recycled plastic into awards podiums.
The small city of Hanyu, 60 kilometres north of Tokyo, was the headquarters of the Grand Prize of the Japanese office 'Isu'. The initiative was created ten years ago by Tsuyoshi Tahara in Kyoto and became so popular that this year 55 teams attended.
Participants retrieved 117 kilogrammes of plastic waste from the Katase Higashihama beach near Tokyo, which will host the sailing competition next summer.
A beach clean-up campaign has been launched in Japan to tackle plastic pollution in the sea.
US President Donald Trump inspected Japan's largest warship, the Kaga, during a state visit to the country.
Thirteen schoolgirls among those wounded in Japan stabbing - Kyodo
Dozens injured including young children in stabbing attack near Japanese capital
Melanie Trump and Akie Abe attended a cultural event at the Akasaka Palace on Sunday during Trump's four-day official visit to Japan.
In the small fishing town of Ito, 150 kilometres south of Tokyo, people of all ages took part in a Japanese pillow-fighting tournament. They gathered from across the region to compete in the event that has been one of Japan's quirkiest since 2013.
Extreme yo-yo and breakdancing combined with Double Dutch skipping are highlights of the Chimera Games.
Now in its 7th year Tokyo's Chimera Games are known for extreme sports, but there's also a creative cocktail of alternative sports, dance and music
Professional sumo wrestling bans women from even setting foot in the ring. But, on Sunday, 61 amateur female wrestlers took part in an annual contest in Fukushima.
Tourists gathered at the Nagara River in central Japan on Saturday to witness the season's opening of traditional fishing using trained waterfowl.
People dressed in period costumes took part in one of the three largest festivals in Tokyo on Saturday.
Japan's Emperor Naruhito on Wednesday performed a Shinto ritual at the Imperial Palace to report to imperial family gods the plans for the main ceremonies of his succession later this year.
New Japanese Emperor Naruhito and Empress Masako made their first greetings to an ecstatic public three days after acceding to the throne
The sheep formed the Chinese character of the word Reiwa, which means "beautiful harmony", and is the name of the new imperial era of Japan.
Japan's Emperor Akihito steped down from his role after 30 years on the Chrysanthemum throne.
The 85-year-old is the country's first monarch to abdicate in 200 years.
Japan's Emperor Akihito was on Tuesday set to step down from his role after 30 years on the Chrysanthemum throne.
The Nai Sumo Baby Crying Festival takes place every year at the Sensoji Temple in Japan. According to tradition, Sumo wrestlers try to provoke the babies' cry to drive away from the demons that are close to them.
There are 1,000 pet cafés in Japan. Visitors say the animals help relieve stress, and the cafés have become a €12 billion industry.
Tokyo District Public Prosecutors' Office appealed the Japan court's decision of releasing Renault-Nissan ex-chaiman Carlos Ghosn under a $4.5 million bail on Thursday.
"By providing visitors with experiences where they see poops as fun, cute and something they want to talk to other people, we thought we can offer entertainment that no one has experienced before."
It all started as an April Fool, when people took the organiser's joke about a piranha fishing event seriously.
The couple met in 1957 at a tennis championship remembered as the "love match".