French President Emmanuel Macron began his three-day visit to China in Xi'an with his wife on Monday. Since 1979, more than 200 heads of state have visited Xi'an, the capital of Shaanxi Province in northwest China and the birthplace of Chinese civilization. Queen Elizabeth II, Emperor Akihito of Japan and presidents and prime ministers have all toured the historic city. /VCG photo

Michelle Obama, the former first lady of the United States visited the city with her daughters, Malia and Sasha Obama on March 24, 2014. /VCG photo

Islam Karimov, the former leader of Uzbekistan comes face-to-face with a Terracotta Warrior, August 20, 2014. /VCG photo

India's Prime Minister Narendra Modi visited the city on May 14, 2015. The photograph was taken and released by The Indian Press Information Bureau. /VCG Photo

German Chancellor Angela Merkel stood between two horses of the Terracotta Army on July 17, 2010. Merkel celebrated her 56th birthday in Xi'an, and her Chinese zodiac sign is the Horse./VCG photo