Kazakhstan's Elena Rybakina returns the ball to Katerina Siniakova of Czech Republic during a match of the Dubai Duty Free Tennis Championship in Dubai, United Arab Emirates, Wednesday, Feb. 19, 2020. (AP Photo/Kamran Jebreili)
Popocatepetl volcano emits smoke and ash, seen from Mexico City at sunrise Wednesday, Feb. 19, 2020. The volcano known as "Don Goyo" has been active since 1994. (AP Photo/Marco Ugarte)