In the fourth episode of Why is the World?, Sevy🇺🇸 and Miles🇬🇧 chat not about a country, not a city, but a body of water. They explore the oil surrounding and caviar filled Caspian Sea🌊 in Asia. Is it a sea or a lake? Is it in fact shrinking? Is this of concern? Find out answers and more by listening in. --- Send in a voice message: https://anchor.fm/ambiguous-borders/message