NASA @NASA
A “holy grail for many hydrologists.” Snowflakes that cover mountains or linger under canopies are a vital freshwater resource for a billion people around the world. Get lost in this view of the Kamchatka Peninsula & learn about our search for freshwater: https://t.co/JcyiJH8ZEO https://t.co/SYUDhtang6 — PolitiTweet.org