摘要:The panel of speakers at the GC side event included prominentscientists and politicians, who discussed the role of isotope hydrologyin their countries and the situation of groundwater at the internationalscale. A display illustrates the speed at which water moves throughaquifers depending on the mediums involved, offering onlookers asimple way to grasp the concept of water residence time. After speecheswere heard, attendees had the opportunity to taste ‘old’ water. (Photocredit: IAEA).