Contestants line up to receive lunch after a rehearsal on Wednesday, Nov. 28, 2018, for the “Mr. & Miss Albinism East Africa” competition, organized by the Albinism Society of Kenya, in Nairobi, Kenya, ahead of the contest on Friday. The event aims to promote social inclusion and raise the self-esteem of albinos in eastern African nations, who frequently face discrimination and stigma. Albinos are regularly attacked and persecuted due to witch doctors and beliefs that albinos have certain magical qualities. (AP Photo/Ben Curtis)

Topiary trees line the East colonnade at the White House in Washington on Nov. 26, 2018. Christmas has arrived at the White House. First lady Melania Trump unveiled the 2018 White House holiday decor on Monday. She designed the decor, which features a theme of “American Treasures.” (AP Photo/Carolyn Kaster)

Rabbi Yehuda Teichtal, left, and Rabbi Segal Shmoel inspect a giant Hanukkah Menorah, set up by the Jewish Chabad Educational Center ahead of the Jewish Hanukkah holiday, at the Pariser Platz in Berlin, Germany, on Nov. 30, 2018. (Photo/Markus Schreiber)

A man dressed in an ancient regional costume walks along a street of Pamplona’s old city, in northern Spain, while taking part in a procession in honor of Saint Saturnino, on Nov. 29, 2018. (AP Photo/Alvaro Barrientos)

Participants of a Yoga for Peace event led by India’s Prime Minister Narendra Modi at La Rural Convention Center in Buenos Aires, Argentina, on Nov. 29, 2018. Originating in ancient India, there are now a broad variety of yoga schools, practices, and goals in Hinduism, Buddhism, and Jainism. (AP Photo/Gustavo Garello)

President George H.W. Bush applauds Pope John Paul II after a welcoming ceremony prior to their audience at the Vatican, on Nov. 8, 1991. Bush died on Friday, Nov. 31, 2018, at the age of 94. Photo by Rick Wilking/Reuters

Mother Theresa of Calcutta gestures as she talks to President George H.W. Bush as the two met on Dec. 9, 1991, in the Oval office at the White House. Bush died on Friday, Nov. 31, 2018, at the age of 94. Photo by Rick Wilking/Reuters

A 20-feet-tall Nordmann Fir tree from Windsor Great Park, entirely dressed in gold, is decorated for Christmas in St George’s Hall at Windsor Castle in Windsor, England, on Nov. 30, 2018. (AP Photo/Frank Augstein)

Pope Francis and Archbishop George Gaenswein share a laugh as a child plays with a Swiss guard near the pontiff during his weekly general audience, in the Paul VI Hall at the Vatican, on Nov. 28, 2018. Francis praised the freedom, albeit undisciplined, of the hearing impaired child, who climbed onto the stage during his general audience to play. The Swiss Guards and Vatican gendarmes stood by Wednesday and gamely let the young boy run around Francis as monsignors read out his catechism lesson in various languages in the Vatican audience hall. (AP Photo/Gregorio Borgia)

A merry-go-round turns as the Christmas tree is illuminated after the opening of the traditional Christmas market in Frankfurt, Germany, on Nov. 26, 2018. (AP Photo/Michael Probst)

An exiled Tibetan sits on the steps under a string of Tibetan and Buddhist flags as she waits to welcome the Dalai Lama in Dharmsala, India, on Nov. 25, 2018. The Tibetan leader returned Sunday after visiting Japan. (AP Photo /Ashwini Bhatia)

Worshipers visit the inside of the National Cathedral for the first time, in Bucharest, Romania, on Nov. 25, 2018. Tens of thousands of Romanians gathered for the blessing of the grandiose Orthodox cathedral, also called the “Salvation of the People” cathedral, consecrated to mark 100 years since modern-day Romania was created in the aftermath of World War I. (AP Photo/Vadim Ghirda)

The Rockefeller Center Christmas tree, one of the most famous Christmas tree displays in the world, is lit during the 86th annual Rockefeller Center Christmas tree lighting ceremony on Nov. 28, 2018, in New York. The 72-feet-tall Norway spruce was brought from Wallkill, NY. (AP Photo/Mary Altaffer)