A Chinese navy chorus performs during a concert featuring Chinese and foreign military bands in Qingdao, April 22, 2019. (AP Photo/Mark Schiefelbein)
After an over 15-month pregnancy, “Akuti,” a 7-year-old Greater One Horned Indian Rhinoceros, gave birth as a result of induced ovulation and artificial insemination at Zoo Miami, April 23, 2019. (Ron Magill/Zoo Miami)
A dog looks out of a voting cabin as a man casts his vote during the second round of presidential elections in Kiev, Ukraine, April 21, 2019. (AP Photo/Vadim Ghirda)
A costumed participant marches during the Easter Parade and Bonnet Festival, in New York City, April 21, 2019. (AP Photo/Jeenah Moon)
A woman walks past tulips and a blossoming tree on Park Avenue in New York City, April 23, 2019. (Gary Hershorn/FOX News)
People enjoy a merry-go-round at a spring festival in Stuttgart, Germany, April 20, 2019. (Christoph Schmidt/dpa via AP)
Boats sail along the Seine river next to the Notre Dame Cathedral as the sun sets in Paris, April 21, 2019. (AP Photo/Francisco Seco)
The sun rises behind the Empire State Building in New York City, April 25, 2019. (Gary Hershorn/FOX News)
Soccer fans light torches during a Serbian National soccer league derby match between Red Star and Partizan in Belgrade, Serbia, April 25, 2019. (AP Photo/Darko Vojinovic)
An angler goes into the water at sunset in Fl'gge, Germany, April 21, 2019. (Frank Molter/dpa via AP)
Two parachutists fly over blossoming flower fields near Den Helder, northern Netherlands, April 22, 2019. (Cris Toala Olivares via AP)
A model wears a creation from Reinaldo Lourenco collection during Sao Paulo Fashion Week in Sao Paulo, Brazil, April 22, 2019. (AP Photo/Andre Penner)
Britain's Prince William and New Zealand's Prime Minister Jacinda Ardern attend an Anzac Day service at Auckland War Memorial Museum in Auckland, New Zealand, April 25, 2019. (Mark Tantrum/The New Zealand Government via AP)
Russian President Vladimir Putin, and North Korea's leader Kim Jong Un pose for photographers during their meeting in Vladivostok, Russia, April 25, 2019. (AP Photo/Alexander Zemlianichenko)
Fans react as they watch the Toronto Maple Leafs be eliminated from the Stanley Cup hockey playoffs by the Boston Bruins in Toronto, April 23, 2019. (Christopher Katsarov/The Canadian Press via AP)