As the memorial day approaches, people from all walks of life in China are holding memorial ceremonies to mourn the 300,000 victims of the Nanjing Massacre in 1937. Students in Handan, north China's Hebei Province, used paper cranes to pay homage on Thursday. (Photo: VCG)

Twin Panda cubs "Meng Xiang" (right) and "Meng Yuan" are seen during a ceremony at Berlin Zoo in the German capital on Monday. The twin panda cubs, the first to be born in the zoo, got their names on Monday, 100 days after they were born. (Photo: Xinhua)

Performers take part in the Macao International Parade in Macao, south China, Monday. The city is celebrating the 20th anniversary of its return to the motherland. (Photo: Xinhua)

Photos of late Ji Zhe are displayed on screens at the Wukesong sports center during his commemoration in Beijing, capital of China, Monday. The former member of Beijing Ducks of the Chinese Basketball Association (CBA) league, died of lung cancer at 33. (Photo: Xinhua)

Rescuers search for victims on the White Island after volcanic eruption in New Zealand, Friday. The recovery team has retrieved six bodies from New Zealand's White Island volcano despite eruption risks, four days after it erupted. (Handout of New Zealand Defense Force)

Illuminated installations in the old town of Warsaw, Poland, on Wednesday. The town has been decorated with colorful lights to mark the Christmas season. (Photo: Xinhua)

Garbage sorting cans made of paper at the United Nations Climate Change Conference, COP25, in Madrid, Spainon Tuesday. With "Time for Action" as its motto, the event held at Madrid's IFEMA exhibition center lasted until Friday. (Photo: Xinhua)

People hold photos of Boeing 737 plane crash victims as Stephen Dickson, chief of the Federal Aviation Administration (FAA), testifies before the House Committee on Transportation and Infrastructure in Washington DC, the United States, Wednesday. (Photo: Xinhua)

British Prime Minister and Conservative Party leader Boris Johnson leaves a polling station after casting his vote in the general election in London, Britain, Thursday. (Photo: Xinhua)

A round-table on the second day of the EU summit at the EU headquarters in Brussels, Belgiumon Friday. (Photo: Xinhua)