It’s the longest day of the year, so there’s time to celebrate today's events👇
☀️ #SummerSolstice: Recognizing the effect of Earth's tilt on the seasons!
🌊 #WorldHydrographyDay: The science of describing oceans, lakes, & rivers!
👨 & Happy #FathersDay to all the dads out there!
Photo: Isaac Sloman
