where Diana fainted in the California Pavilion. In November 1986, she went on a six-day tour to Oman, Qatar, Bahrain and Saudi Arabia, where she met King Fahd and Sultan Qaboos bin Said al Said. In 1988, Charles and Diana visited Thailand and toured Australia for the bicentenary celebrations. In February 1989, she spent a few days in New York as a solo visit, mainly to promote the works of the Welsh National Opera, of which she was a patron. During a tour of Harlem Hospital Center, she made a profound impact on the public by spontaneously hugging a seven-year-old child with AIDS. In March 1989, she had her second trip to the Arab states of the Persian Gulf, in which she visited Kuwait and the UAE. In March 1990, Diana and Charles toured Nigeria and Cameroon. The president of Cameroon hosted an official dinner to welcome them in Yaoundé. Highlights of the tour included visits by Diana to hospitals and projects focusing on women's development. In May 1990, they visited Hungary for four days. It was the first visit by members of the royal family to "a former Warsaw Pact country". They attended a dinner hosted by President Árpád Göncz and viewed a fashion display at the Museum of Applied Arts in Budapest. Peto Institute was among the places visited by Diana, and she presented its director with an honorary OBE. In November 1990, the royal couple went to Japan to attend the enthronement of . In her desire to play an encouraging role during the Gulf War, Diana visited Germany in December 1990 to meet with the families of soldiers. She subsequently travelled to Germany in January 1991 to visit RAF Bruggen, and later wrote an encouraging letter which was published in Soldier, Navy News and RAF News. In 1991, Charles and Diana visited Queen's University in Kingston, Ontario, where they presented the university with a replica of their royal charter. In September 1991, Diana visited Pakistan on a solo trip, and went to Brazil with Charles. During the Brazilian tour, Diana paid visits to organisations that battled homelessness among street children. Her final trips with Charles were to India and South Korea in 1992. She visited Mother Teresa's hospice in Kolkata, India. The two women met later in the same month in Rome and developed a personal relationship. It was also during the Indian tour that pictures