Passage: On the morning of 22 March 2016, three coordinated suicide bombings occurred in Belgium: two at Brussels Airport in Zaventem, and one at Maalbeek metro station in central Brussels. Thirty-two civilians and three perpetrators were killed, and more than 300 people were injured. Another bomb was found during a search of the airport. The Islamic State of Iraq and the Levant (ISIL) claimed responsibility for the attacks.The perpetrators belonged to a terrorist cell which had been involved in the November 2015 Paris attacks. The Brussels bombings happened shortly after a series of police raids targeting the group. The bombings were the deadliest act of terrorism in Belgium's history. The Belgian government declared three days of national mourning.

Question: In which two locations were the three suicide bombings conducted in?
two at Brussels Airport in Zaventem, and one at Maalbeek metro station in central Brussels