In this Monday, Sept. 11, 2017 file photo, a walrus kisses a visitor during a sea animal show at the Hakkeijima Sea Paradise aquarium-amusement park complex in Yokohama, southwest of Tokyo. (AP Photo/Shizuo Kambayashi, File)
Ferrari driver Kimi Raikkonen, right, of Finland collides with teammate Sebastian Vettel of Germany at the start of the Singapore Formula One Grand Prix on the Marina Bay City Circuit Singapore, Sunday, Sept. 17, 2017. (AP Photo/Yong Teck Lim)
Robert Weiss of Tewksbury, Mass., left, photographs his brother-in-law, Matthew Ferri, of Dracut, Mass., and his wife, Andrea Weiss just before sunrise from their campsite on the Appalachian Trail in Beans Purchase, N.H., Sunday, Sept. 17, 2017. The backpackers were taking advantage of pleasant weather to get in some hiking on the final weekend of summer. (AP Photo/Robert F. Bukaty)
A Rohingya Muslim family, who crossed over from Myanmar into Bangladesh, take cover under a plastic sheet on a roadside during a rain storm near Balukhali refugee camp, Bangladesh, Sunday, Sept. 17, 2017. Bangladeshi authorities on Sunday took steps to restrict the movement of Muslim Rohingya refugees living in crowded border camps after fleeing violence in Myanmar. (AP Photo/Dar Yasin)
Maria Stotts, and Heather Mueller, volunteers from the Church of Jesus Christ of Latter-Day Saints, clear debris from a Monroe County sheriff's deputy's home damaged by a six-foot storm surge, Sunday, Sept. 17, 2017, in Big Pine Key, Fla. Residents were allowed to return to their homes in the Keys today a week after Hurricane Irma struck the Florida Keys (Al Diaz/Miami Herald via AP)
Demonstrators stand silently in protest outside the St. Louis Police Department headquarters in response to a not guilty verdict in the trial of former St. Louis police officer Jason Stockley, Sunday, Sept. 17, 2017, in St. Louis. Stockley was acquitted on Friday in the 2011 killing of a black man following a high-speed chase. (AP Photo/Jeff Roberson)
Police arrest a man as demonstrators march in response to a not guilty verdict in the trial of former St. Louis police officer Jason Stockley, Sunday, Sept. 17, 2017, in St. Louis. Stockley was acquitted in the 2011 killing of a black man following a high-speed chase. (AP Photo/Jeff Roberson)
Hyo Joo Kim, of South Korea, follows her ball after playing on the 5th hole during the second round of the Evian Championship women's golf tournament in Evian, eastern France, Saturday, Sept. 16, 2017. (AP Photo/Laurent Cipriani)
Toronto FC players gather on the smoke-filled field before the team's MLS soccer match against the Los Angeles Galaxy on Saturday, Sept. 16, 2017, in Carson, Calif. (AP Photo/Jae C. Hong)
