Masai women dressed in traditional clothes wear surgical masks as they wait for a ceremony marking World Elephant Day in the Amboseli National Park, Kenya, August 12, 2020. REUTERS/Baz Ratner

A Masai man dressed in traditional clothing walks during a ceremony marking World Elephant Day in the Amboseli National Park, Kenya, August 12, 2020. REUTERS/Baz Ratner

Canadian Prime Minister Justin Trudeau and Toronto Raptors president Masai Ujiri take part in a Thanksgiving food drive in Toronto, Ontario, Canada October 13, 2019. REUTERS/Stephane Mahe

Canadian Prime Minister Justin Trudeau and Toronto Raptors president Masai Ujiri take part in a Thanksgiving food drive in Toronto, Ontario, Canada October 13, 2019. REUTERS/Stephane Mahe

Canadian Prime Minister Justin Trudeau and Toronto Raptors president Masai Ujiri take part in a Thanksgiving food drive in Toronto, Ontario, Canada October 13, 2019. REUTERS/Stephane Mahe

Canadian Prime Minister Justin Trudeau and Toronto Raptors president Masai Ujiri take part in a Thanksgiving food drive in Toronto, Ontario, Canada October 13, 2019. REUTERS/Stephane Mahe

Canadian Prime Minister Justin Trudeau and Toronto Raptors president Masai Ujiri take part in a Thanksgiving food drive in Toronto, Ontario, Canada October 13, 2019. REUTERS/Stephane Mahe

Giraffes are seen in Masai Mara National Reserve, Kenya, August 3, 2019 REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

Gazelles are seen in Masai Mara National Reserve, Kenya, August 1, 2019 REUTERS/Goran Tomasevic

Wildebeests are seen in Masai Mara National Reserve, Kenya, August 3, 2019 REUTERS/Goran Tomasevic

Wildebeests are seen in Masai Mara National Reserve, Kenya, August 3, 2019 REUTERS/Goran Tomasevic

Maasai elder cuts the meat of a sacrificed bull during an initiation into an age group ceremony near the town of Bisil, Kajiado county, Kenya, August 23, 2018. Picture taken August 23, 2018. REUTERS/Baz Ratner

A Maasai holds a bowl of red ochre pigment during an initiation into an age group ceremony near the town of Bisil, Kajiado county, Kenya, August 23, 2018. Picture taken August 23, 2018. REUTERS/Baz Ratner

A Maasai boy wears sandals made from a tire during an initiation into an age group ceremony near the town of Bisil, Kajiado county, Kenya, August 23, 2018. Picture taken August 23, 2018. REUTERS/Baz Ratner

Tourists are seen by the poolside of the Mara Serena Safari Lodge, within the Masai Mara game reserve, southwest of Nairobi, Kenya, July 28, 2009. Picture taken July 28, 2009. REUTERS/Thomas Mukoya

A general view shows a section of the Mara Serena Safari Lodge, within the Masai Mara game reserve, southwest of Nairobi, Kenya, July 28, 2009. Picture taken July 28, 2009. REUTERS/Thomas Mukoya

Tourists are seen by the poolside of the Mara Serena Safari Lodge, within the Masai Mara game reserve, southwest of Nairobi, Kenya, July 28, 2009. Picture taken July 28, 2009. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

Tourists sit at the Mara Serena Safari Lodge, within the Masai Mara game reserve, southwest of Nairobi, Kenya, July 28, 2009. Picture taken July 28, 2009. REUTERS/Thomas Mukoya

Toronto Raptors president Masai Ujiri poses with his wife Ramatu Ujiri as they arrive at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch

Toronto Raptors president Masai Ujiri arrives at the Canadian Screen Awards in Toronto, Ontario, Canada March 12, 2017. REUTERS/Mark Blinch

A cheetah and her cub walk on the plains in Masai Mara game reserve, Southwest of Kenya's capital Nairobi, November 1, 2012. Picture taken November 1, 2012. REUTERS/Thomas Mukoya

A cheetah and her cub walk on the plains in Masai Mara game reserve, Southwest of Kenya's capital Nairobi, November 1, 2012. Picture taken November 1, 2012. REUTERS/Thomas Mukoya

A cheetah and her cub walk on the plains in Masai Mara game reserve, Southwest of Kenya's capital Nairobi, November 1, 2012. Picture taken November 1, 2012. REUTERS/Thomas Mukoya

A cheetah and her cub walk on the plains in Masai Mara game reserve, Southwest of Kenya's capital Nairobi, November 1, 2012. Picture taken November 1, 2012. REUTERS/Thomas Mukoya

Giraffes are seen in the Naboisho Conservancy adjacent to the Masai Mara National Reserve in Kenya October 6, 2014. REUTERS/Goran Tomasevic/File Photo

Lions rest in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic/File Photo

Lions rest in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

A hipo rest in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 15, 2016. REUTERS/Goran Tomasevic TPX IMAGES OF THE DAY

Lions rest in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

A baby giraffe runs in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

Lionesses play in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

A vulture lands near a dead animal in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

A jackal eats a dead animal in front of a vulture in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

A jackal eats a dead animal in front of a vulture in Naboisho Conservancy adjacent to the Masai Mara National Reserve, Kenya September 16, 2016. REUTERS/Goran Tomasevic

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai TPX IMAGES OF THE DAY

Bank of Japan's (BOJ) new board member Takako Masai bows during a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai bows during a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai TPX IMAGES OF THE DAY

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Bank of Japan's (BOJ) new board member Takako Masai attends a news conference at the BOJ headquarters in Tokyo, Japan, June 30, 2016. REUTERS/Toru Hanai

Magdalene Masai of Kenya competes in the women's 2000m steeplechase at the ISTAF athletics meeting in Berlin, Germany, September 6, 2015. REUTERS/Hannibal Hanschke

Magdalene Masai (R) of Kenya competes in the women's 2000m steeplechase at the ISTAF athletics meeting in Berlin, Germany, September 6, 2015. REUTERS/Hannibal Hanschke

Dead wildebeests are pictured after a stampede during the annual migration float in Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Elephants are seen in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Crowned cranes are seen in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Vultures eat a dead wildebeest in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

A herd of hippopotamus sleep on the bank of Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Vultures rush to eat a dead wildebeest in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

A crocodile is pictured in Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

A hippopotamus is pictured in Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Dead wildebeests are pictured after a stampede during the annual migration float in Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Dead wildebeests are pictured after a stampede during the annual migration float in Mara river in Masai Mara National Reserve October 8, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Animals graze at sunset at the Naboisho Conservancy adjacent to the Masai Mara National Reserve October 7, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Animals graze near tourists at sunset at the Naboisho Conservancy adjacent to the Masai Mara National Reserve October 7, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS)

Animals graze at sunset at the Naboisho Conservancy adjacent to the Masai Mara National Reserve October 7, 2014. REUTERS/Goran Tomasevic (KENYA - Tags: ENVIRONMENT ANIMALS TPX IMAGES OF THE DAY)