In this Oct 15, 1968, file photo, Singapore's then Prime Minister Lee Kuan Yew, right, and his wife Kwa Geok Choo, second left, pose with the Japanese Emperor Hirohito and his wife Empress Nagako, in the Imperial Palace, in Tokyo, Japan. Lee Kuan Yew, the founder of modern Singapore who helped transform the sleepy port into one of the world's richest nations, died Monday, March 23, 2015, the government said. He was 91. (AP)
Former Singapore Prime Minister Lee Kuan Yew speaks during a dialogue with former Japanese vice foreign minister Shotaro Yachi (unseen) in the 18th international conference on the future of Asia, in Tokyo on May 24, 2012. (AFP)
In this May 1, 2006, file photo, Singapore's then Minister Mentor Lee Kuan Yew, left, shares a light moment with his wife, Kwa Geok Choo, right, during the Labour Day Rally in Singapore. (AP)
A card for Singapore's former prime minister Lee Kuan Yew lies at a well-wishing corner at the Singapore General Hospital in Singapore March 23, 2015. (Reuters)
US Secretary of State Hillary Clinton (L) smiles with Minister Mentor Lee Kuan Yew of Singapore as they give a press briefing before their meeting at the State Department in Washington on October 26, 2009.(AFP)
Members of the media gather in an area set aside for tributes at the hospital where Singapore's founding prime minister Lee Kuan Yew passed away on Monday, March 23, 2015 in Singapore.(AP)
Lawrence Hee, 68, arrives amongst the first mourners for former Singaporean prime minister Lee Kuan Yew, at a well-wishing corner at the Singapore General Hospital in Singapore March 23, 2015. (Reuters)
The state flag is pictured at half-mast at the Parliament building in Singapore March 23, 2015. (Reuters)
A woman and her daughters speak to the media as they mourn the passing of former Singaporean prime minister Lee Kuan Yew, at a well-wishing corner at the Singapore General Hospital, March 23, 2015. (Reuters)
People pay their respects at the tribute area at Singapore General Hospital in honour of former prime minister Lee Kuan Yew in Singapore on March 23, 2015. (AFP)
A woman cries in the tribute area at Singapore General Hospital following the death of former prime minister Lee Kuan Yew in Singapore on March 23, 2015. (AFP)
People pay their respects at the tribute area at Singapore General Hospital in honour of former prime minister Lee Kuan Yew in Singapore on March 23, 2015. (AFP)