![kolkata24x7 English on Twitter: "Rare Post Office Box 10 Meters #Underwater In Susami Bay https://t.co/v7kVXXqwr1 #PostOfficeBox #SusamiBay https://t.co/pmYzKGQojQ" / Twitter kolkata24x7 English on Twitter: "Rare Post Office Box 10 Meters #Underwater In Susami Bay https://t.co/v7kVXXqwr1 #PostOfficeBox #SusamiBay https://t.co/pmYzKGQojQ" / Twitter](https://pbs.twimg.com/media/DUs3Z_AVwAAmyz_.jpg)
kolkata24x7 English on Twitter: "Rare Post Office Box 10 Meters #Underwater In Susami Bay https://t.co/v7kVXXqwr1 #PostOfficeBox #SusamiBay https://t.co/pmYzKGQojQ" / Twitter
![Whitaker's Almanack on Twitter: "#DidYouKnow The world's deepest postbox is in Susami Bay, Japan which is 10 metres below sea level #FACT https://t.co/Pq7BdInOyk" / Twitter Whitaker's Almanack on Twitter: "#DidYouKnow The world's deepest postbox is in Susami Bay, Japan which is 10 metres below sea level #FACT https://t.co/Pq7BdInOyk" / Twitter](https://pbs.twimg.com/media/CT2FEcNUcAArSlB.jpg)
Whitaker's Almanack on Twitter: "#DidYouKnow The world's deepest postbox is in Susami Bay, Japan which is 10 metres below sea level #FACT https://t.co/Pq7BdInOyk" / Twitter
![UTMIndia on Twitter: "#TravelTuesday An underwater mailbox in Susami Bay, #Japan that's officially the deepest mailbox! #Crazy #Facts https://t.co/Wk6ZRlg1OM" / Twitter UTMIndia on Twitter: "#TravelTuesday An underwater mailbox in Susami Bay, #Japan that's officially the deepest mailbox! #Crazy #Facts https://t.co/Wk6ZRlg1OM" / Twitter](https://pbs.twimg.com/media/CnJ9V0AWcAAkj69.jpg)