A general view of a banquet hall with empty chairs after Pakistan shut all its schools, universities and discouraged large gatherings amid coronavirus fears, in Peshawar, Pakistan March 14, 2020. REUTERS/Fayaz Aziz

Musher Aliy Zirkle draws her bib number 23, out of a traditional mukluk, at a banquet ahead of Saturday's Iditarod Trail Sled Dog Race in Anchorage, Alaska, U.S., March 5, 2020. Picture taken March 5, 2020. REUTERS/Yereth Rosen

President Donald Trump and first lady Melania Trump are seated with Indian President Ram Nath Kovind and his wife Savita Kovind as they arrive for a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump are seated with Indian President Ram Nath Kovind and his wife Savita Kovind as they arrive for a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump are seated with Indian President Ram Nath Kovind and his wife Savita Kovind as they arrive for a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

Indian President Ram Nath Kovind and his wife Savita Kovind stand with President Donald Trump and first lady Melania Trump as they arrive for a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump stand with Indian President Ram Nath Kovind and his wife Savita Kovind during the playing of the national anthem at a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump stand with Indian President Ram Nath Kovind and his wife Savita Kovind during the playing of the national anthem at a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

White House Senior Adviser Jared Kushner and his wife Ivanka Trump are greeted by Indian President Ram Nath Kovind during a state banquet with first lady Melania Trump at right, at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump stand with Indian President Ram Nath Kovind and his wife Savita Kovind during the playing of the national anthem at a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

White House Senior Adviser Jared Kushner and his wife Ivanka Trump arrive for a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

White House Senior Adviser Jared Kushner and his wife Ivanka Trump, the daughter and assistant to President Donald Trump stand during a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

White House Senior Adviser Jared Kushner and his wife Ivanka Trump, the daughter and assistant to President Donald Trump, are greeted by Indian President Ram Nath Kovind during a state banquet, at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

The shoes of first lady Melania Trump are seen at a state banquet at Rashtrapati Bhavan, Tuesday, Feb. 25, 2020, in New Delhi, India. (AP Photo/Alex Brandon, Pool)

President Donald Trump and first lady Melania Trump stand with Indian President Ram Nath Kovind and his wife Savita Kovind during the playing of the national anthem at a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

President Donald Trump and first lady Melania Trump stand with Indian President Ram Nath Kovind and his wife Savita Kovind during the playing of the national anthem at a state banquet at Rashtrapati Bhavan, in New Delhi, India February 25, 2020. Alex Brandon/Pool via REUTERS

Democratic U.S. presidential candidate and former South Bend Mayor Pete Buttigieg speaks with voters at the Royal Baptist Family life and Banquet Center in North Charleston, South Carolina, U.S., February 24, 2020. REUTERS/Randall Hill

Democratic U.S. presidential candidate and former South Bend Mayor Pete Buttigieg speaks with voters at the Royal Baptist Family life and Banquet Center in North Charleston, South Carolina, U.S., February 24, 2020. REUTERS/Randall Hill

Democratic U.S. presidential candidate and former South Bend Mayor Pete Buttigieg speaks with voters at the Royal Baptist Family life and Banquet Center in North Charleston, South Carolina, U.S., February 24, 2020. REUTERS/Randall Hill

Democratic U.S. presidential candidate and former South Bend Mayor Pete Buttigieg speaks with voters at the Royal Baptist Family life and Banquet Center in North Charleston, South Carolina, U.S., February 24, 2020. REUTERS/Randall Hill

Democratic U.S. presidential candidate and former South Bend Mayor Pete Buttigieg speaks with voters at the Royal Baptist Family life and Banquet Center in North Charleston, South Carolina, U.S., February 24, 2020. REUTERS/Randall Hill TPX IMAGES OF THE DAY

Trash and a sign lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

Trash and signs lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

Balloons lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

View of the banquet hall the day following 2020 Democratic Presidential Candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

Trash and signs lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

Trash and signs lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

Signs lay in a banquet hall the day following 2020 Democratic presidential candidate Senator Amy Klobuchar's Iowa Caucus Rally in Des Moines, Iowa, U.S., February 4, 2020. REUTERS/Brenna Norman

President of Pakistan Arif Alvi and his wife Samina Alvi attend the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Sweden's King Carl XVI Gustaf attends the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

President of Bulgaria Rumen Radev attends the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Britain's Prince Charles attends the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Guests watch the cultural performance during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Netherland's King Willem-Alexander attends the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Prime Minister of Japan Shinzo Abe gives a speech during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Prime Minister of Japan Shinzo Abe and his spouse Akie check the preparation situation at the banquet room before the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

U.S. Transportation Secretary Elaine Chao attends the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Artists perform during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Artists perform during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

The Prime Minister of Japan Shinzo Abe gets ready to give a toast during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

The Prime Minister of Japan Shinzo Abe gets ready to give a toast during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

The Prime Minister of Japan Shinzo Abe gives a toast to guests during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Sweden's King Carl XVI Gustaf and Crown Princess Victoria arrive at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

Britain's Prince Charles arrives at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

Crown Prince Frederik and Crown Princess Mary of Denmark arrive at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

King Willem-Alexander and Queen Maxima of the Netherlands arrive at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

King Jigme Khesar Namgyel Wangchuck and Queen Jetsun Pema of Bhutan arrive at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

Britain's Prince Charles shakes hands with Prime Minister of Japan Shinzo Abe and his spouse during the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

President of Bulgaria, Rumen Radev shakes hands with Prime Minister of Japan Shinzo Abe and his spouse during the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

Japan's Prime Minister Shinzo Abe toasts at a banquet for newly enthroned Emperor Naruhito, hosted by him and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool?

Japan's Prime Minister Shinzo Abe toasts at a banquet for newly enthroned Emperor Naruhito, hosted by him and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool?

The Prime Minister of Japan Shinzo Abe gives a speech during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

The Prime Minister of Japan Shinzo Abe gives a speech during the banquet for newly enthroned Emperor Naruhito, hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan October 23, 2019. Du Xiaoyi/Pool via REUTERS

Japan's Chief Cabinet Secretary Yoshihide Suga attends a banquet for newly enthroned Emperor Naruhito, hosted by Japan's Prime Minister Shinzo Abe and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool

Artists perform during a banquet for newly enthroned Emperor Naruhito, hosted by Japan's Prime Minister Shinzo Abe and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool

Myanmar's State Counsellor Aung San Suu Kyi attends a banquet for newly enthroned Emperor Naruhito, hosted by Japan's Prime Minister Shinzo Abe and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool

Japan's Prime Minister Shinzo Abe speaks with Sweden's King Carl XVI Gustaf at a banquet for newly enthroned Emperor Naruhito, hosted by him and his wife Akie, at a hotel in Tokyo, Japan October 23, 2019. REUTERS/Kim Hong-Ji/Pool?

Prime Minister of Japan Shinzo Abe tries to relax his leg during the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS

Former President of Kazakhstan Nursultan Nazarbayev shakes hands with Prime Minister of Japan Shinzo Abe at the cocktail party before the banquet for newly enthroned Emperor Naruhito and Empress Masako hosted by the Prime Minister of Japan Shinzo Abe and his spouse in Tokyo, Japan, October 23, 2019. Pool via REUTERS