But I knew that Lotte World Tower was the 5th highest tower in the world because they have the Guinness Book of World Records Certificate plaque to prove it.
ແຕ່ຂ້ອຍຮູ້ວ່າ Lotte World Tower ເປັນຫໍຄອຍທີ່ສູງທີ່ສຸດໃນໂລກທີ່ 5th ຍ້ອນວ່າພວກເຂົາມີປື້ມບັນທຶກ Guinness World Records ໃບຢັ້ງຢືນເພື່ອພິສູດວ່າມັນ.