In Photos: The week in pictures in Japan

A family shows calligraphy of the new era name "Reiwa" following its announcement in Tokyo's Chiyoda Ward on April 1, 2019. (Mainichi/Masahiro Ogawa)

A U.S. military Osprey aircraft is seen at Itami Airport after it made an emergency landing on April 1, 2019. (Mainichi/Ryoichi Mochizuki)

Goods themed on the new era name "Reiwa" are displayed at the Akihabara Tourist Information Center in Tokyo's Chiyoda Ward on April 2, 2019. (Mainichi/Kimi Takeuchi)

Osaka Castle is lit up in blue in Osaka's Chuo Ward on April 2, 2019, to mark World Autism Awareness Day as designated by the United Nations. (Mainichi/Rei Kubo)

Members of the Toho High School baseball team celebrate after winning the 91st National High School Baseball Invitational Tournament at Hanshin Koshien Stadium in the city of Nishinomiya, Hyogo Prefecture, on April 3, 2019. (Mainichi/Kentaro Ikushima)

Former Nissan Motor Co. Chairman Carlos Ghosn leaves the office of his lawyer Junichiro Hironaka in Tokyo's Chiyoda Ward on April 3, 2019. (Mainichi/Naoki Watanabe)

Japanese musician and actor Pierre Taki, who is accused of using cocaine, makes a deep bow toward press members after being released from Tokyo Wangan Police Station in the capital's Koto Ward on April 4, 2019. (Mainichi/Junichi Sasaki)

State land minister Ichiro Tsukada makes a deep bow toward press members after announcing his resignation at the ministry in Tokyo's Chiyoda Ward on April 5, 2019. (Mainichi/Junichi Sasaki)

JAXA Hayabusa2 project manager Yuichi Tsuda holds a press conference to announce a successful experiment to make a crater on the asteroid Ryugu, in Sagamihara's Chuo Ward, Kanagawa Prefecture, on April 5, 2019. (Mainichi/Naoaki Hasegawa)

Buses carrying residents run slowly alongside a row of cherry blossom trees in a zone evacuated following the 2011 Fukushima nuclear disaster, in the town of Tomioka, Fukushima Prefecture, on April 6, 2019. (Mainichi/Daisuke Wada)