Ayungin Shoal - Second Thomas Shoal
Second Thomas Shoal, also known as Ayungin Shoal (Bãi Cỏ Mây; and Mandarin ), is a shoal or atoll in the Spratly Islands of the South China Sea, 105 nmi west of Palawan, Philippines. Claimed by several nations, the shoal is currently militarily occupied by the Philippines and is a Philippine Territory.