File photo: Massive projections on Sustainable Development Goals are seen on the north facade of the Secretariat building, and west facade of the General Assembly building at the United Nations headquarters in New York, the United States, Sept. 22, 2015. (Xinhua/Li Muzi)
UNITED NATIONS, Oct. 19 (Xinhua) -- From the Sydney Opera House in Australia to the Great Pyramids of Giza in Egypt, more than 200 of the world's most iconic landmarks will be lit United Nations blue when the sun sets on Friday Oct. 24 to mark the 70th birthday of the global organization, the UN announced here Monday.
"Under the initiative turn the world UN Blue, about 200 of the most iconic landmarks ... in over 60 countries worldwide have agreed to be turned blue," Cristina Gallach, UN under-secretary-general for communications and public information, said at a press conference here.
Gallach said that it was hoped that the light show will help highlight the theme of the UN's 70th anniversary celebrations: strong UN, better world.
She added that organizers have been asked to ensure that the event is as energy efficient as possible, in keeping with the UN's commitment to the environment.
"We have requested local authorities and others to ensure that the energy consumed is minimal and that this blue lighting operation has to have green in mind," she said.
Other iconic landmarks to be illuminated include,the statue of Christ the Redeemer in Brazil, Russia's Hermitage Museum, the ancient city of Petra in Jordan, and the Leaning Tower of Pisa in Italy.
Cristina Gallach, Under-Secretary-General for Communications and Public Information, speaks to journalists during a press conference on the Global Event "Turns the World UN Blue" at the United Nations headquarters in New York, the United States, Oct. 19, 2015. (Xinhua/Li Muzi)
The United Nations has its own official shade of light blue, which is used to identify the organization around the world. UN peacekeepers are unofficially known as blue helmets and blue berets, and the color also forms the background of the UN flag.
The Empire State Building in New York City, the seat of UN Headquarters, will also join the program to turn UN blue.
Oct. 24 marks the day the United Nations came into existence when China and a majority of the UN's 51 founding members ratified the UN Charter in San Francisco.
Oct. 24 is the UN Day which marks the anniversary of the entry into force in 1945 of the UN Charter. With the ratification of this founding document by the majority of its signatories, including the five permanent members of the UN Security Council, the United Nations officially came into being.
Oct. 24 has been celebrated as United Nations Day since 1948. In 1971, the United Nations General Assembly recommended that the day be observed by member states as a public holiday.
The year 2015 has been a busy year for the UN, with the launch of the new Sustainable Development Goals -- a set of 17 ambitious social, economic and environmental targets, which all 193 members of the United Nations have agreed to meet by the year 2030.
