Summer Olympic Games federal government; the country's economic crisis; health and safety concerns surrounding the Zika virus and significant pollution in the Guanabara Bay; and a state-sponsored doping scandal involving Russia, which affected the participation of its athletes in the Games. Tokyo, Japan will host the 2020 Summer Olympics, making it the first Asian city to host the Olympic Games twice. Forty-two sports, spanning 55 disciplines, have been part of the Olympic program at one point or another. Twenty-eight sports have comprised the schedule for three of the recent games, 2000, 2004, and 2008 Summer Olympics. Due to the removal of baseball and
Colonialism and the Olympic Games protest China's treatment of protesters in Tibet. During the Olympic torch lighting ceremony in Greece on 24 March 2008, three Reporters Without Borders journalists breached a cordon of 1,000 police at the ancient Olympia stadium and interrupted the speech of Liu Qi, head of the Beijing Games committee. One protestor tried to snatch the microphone as another unrolled a black flag showing the Olympic rings as handcuffs. Nearly 50 Tibetan exiles in India began a global torch relay 25 March 2008 with a symbolic "Olympic" flame that ended in Tibet on 8 August 2008, the day of the Summer Games'