A policeman wearing a protective mask stands guard near the historic Taj Mahal during a nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Agra, India, April 23, 2020. Picture taken April 23, 2020. REUTERS/Adnan Abidi

Children play on the roof of their houses as historic Taj Mahal is seen in the background during a nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Agra, India, April 23, 2020. Picture taken April 23, 2020. REUTERS/Adnan Abidi

A Central Industrial Security Force (CISF) personnel stands guard inside the empty premises of the historic Taj Mahal during a 21-day nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19), in Agra, India, April 2, 2020. REUTERS/Sunil Kataria

A view shows the Taj Mahal hotel after the government tightened up measures for coronavirus prevention in Mumbai, India, March 17, 2020. REUTERS/Francis Mascarenhas

A combination picture shows the Taj Mahal hotel, November 25, 2018 and after the government tightened up measures for coronavirus prevention in Mumbai, India March 17, 2020. REUTERS/Francis Mascarenhas

A pallaquera (a female gold picker) climbs on rocks that were discarded from a mine in search of gold, in the town of La Rinconada, in the Andes, Peru, June 4, 2019. Picture taken June 4, 2019. REUTERS/Mitra Taj To match Special Report GOLD-PERU/SWISS

White House senior policy advisor Stephen Miller arrives with the U.S. delegation to tour the historic Taj Mahal, in Agra, India February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump visit the historic Taj Mahal, in Agra, India February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump visit the historic Taj Mahal, in Agra, India February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

Birds fly by as U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

Birds fly by as U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

White House senior advisor Ivanka Trump poses for a photograph as the U.S. delegation tours the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. White House senior advisors Ivanka Trump and Jared Kushner hold hands as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

White House National Security Advisor Robert O'Brien poses for a photograph, taken by White House senior advisor Ivanka Trump, as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump gestures next to first lady Melania Trump as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump pose as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump pose as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago TPX IMAGES OF THE DAY

U.S. President Donald Trump and first lady Melania Trump pose as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump pose as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump pose as they tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

U.S. President Donald Trump and first lady Melania Trump tour the historic Taj Mahal, in Agra, India, February 24, 2020. REUTERS/Al Drago

Police officers use sniffer dogs to scan the premises of the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are scheduled to visit, in Agra, India, February 24, 2020. REUTERS/Rupak De Chowdhuri

Monkeys rest on a boundary wall of the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are scheduled to visit, in Agra, India, February 24, 2020. REUTERS/Rupak De Chowdhuri

Police officers use a megaphone asking people to remove parked vehicles near the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are scheduled to visit, in Agra, India, February 24, 2020. REUTERS/Rupak De Chowdhuri

Workers move carved stones on a handcart inside the historic Taj Mahal premises, where U.S. President Donald Trump and first lady Melania Trump are scheduled to visit, in Agra, India, February 24, 2020. REUTERS/Rupak De Chowdhuri

Monkeys walk as a man feeds birds outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

A monkey sits on a bench outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Armed policemen stand guard outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

The historic Taj Mahal is pictured, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

A police officer stands inside the historic Taj Mahal premises, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

A gardener waters flower plants inside the historic Taj Mahal premises, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Police officers examine the security arrangements at the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Police officers examine the security arrangements at the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Central Industrial Security Force (CISF) personnel patrol past a hoarding near the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Police officers patrol outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Members of an anti-terror squad from Uttar Pradesh police stand guard outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Police officers patrol outside the historic Taj Mahal, where U.S. President Donald Trump and first lady Melania Trump are expected to visit, in Agra, India, February 23, 2020. REUTERS/Rupak De Chowdhuri

Executive Secretary for the Inter-American Commission on Human Rights of the Organization of American States (IACHR/OAS) Paulo Abrao meets relatives of demonstrators who died during clashes with security forces, in Sacaba, outskirts of Cochabamba, Bolivia, November 25, 2019. The sign reads "They killed my brother Omar Calle Siles, Anez and Camacho murderers, I demand justice”. Picture taken November 25, 2019. REUTERS/Mitra Taj

Supporters of Bolivia's ousted President Evo Morales gather to meet Executive Secretary for the Inter-American Commission on Human Rights of the Organization of American States (IACHR/OAS) Paulo Abrao, in Sacaba, outskirts of Cochabamba, Bolivia, November 25, 2019. Picture taken November 25, 2019. REUTERS/Mitra Taj

Julien Vanstippen of Belgium performs during the freestyle motocross games Red Bull FMX Jam in front of Taj Mahal hotel in Mumbai, India, February 2, 2019, REUTERS/Francis Mascarenhas

Radek Bilek of Czech Republic performs during the freestyle motocross games Red Bull FMX Jam in front of Taj Mahal hotel in Mumbai, India, February 2, 2019, REUTERS/Francis Mascarenhas

Radek Bilek of Czech Republic performs during the freestyle motocross games Red Bull FMX Jam in front of Taj Mahal hotel in Mumbai, India, February 2, 2019, REUTERS/Francis Mascarenhas

The Taj Mahal is seen through morning air pollution in Agra, India, January 12, 2019. Picture taken January 12, 2019. REUTERS/Andrew Kelly.

The Taj Mahal is seen through morning air pollution in Agra, India, January 12, 2019. Picture taken January 12, 2019. REUTERS/Andrew Kelly.

Visitors look toward the Taj Mahal through morning air pollution in Agra, India, January 12, 2019. Picture taken January 12, 2019. REUTERS/Andrew Kelly.

Visitors look toward the Taj Mahal through morning air pollution in Agra, India, January 12, 2019. Picture taken January 12, 2019. REUTERS/Andrew Kelly.