国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 10月12日 01時49分

#Gunboat Philadelphia sank on Oct. 11, 1776 after being hit by a 24-pound shot from the British. The Philadelphia was discovered in 1935, with its mast standing tall, barely 15 feet below the surface of Valcour Bay.

[BIHAKUEN]UVシールド(UVShield)

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