The annual migration of wildebeest from the Serengeti National park in Tanzania to the Maasai Mara national reserve in Kenya is seen from a drone in the Maasai Mara in late July. Photo/Agencies MAASAI MARA, Kenya－One of nature's most spectacular sights, East Africa's great wildebeest migration, went largely unwatched by tourists this year as the effects of the novel coronavirus …
