Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Castles and Town Walls of King Edward in Gwynedd' has mentioned 'Sea' in the following places:
Occurrence Sentence Text Source
Conwy and Harlech were kept supplied by sea and held out against the attack, but Caernarfon, still only partially completed, was stormed.
[13] Amongst these were the future World Heritage sites of Caernarfon Castle and its walled town, overlooking the River Seiont; Conwy Castle and its walled town, controlling a crossing point over the River Conwy; and Harlech Castle, protecting a sea port and newly established English town.
[24] The castles and towns were all ports and could be supplied by sea if necessary, an important strategic advantage as Edward's navy had near total dominance around the Welsh coastline.
The castles were each equipped with a rear or postern gate that would allow them to resupplied directly by sea even if the town had fallen.
Reconstruction of Harlech Castle in the early 14th century, seen from the sea
[10] Here he was trapped and besieged until January 1295, supplied only by sea, before forces arrived to relieve him in February.
[25] Harlech was also besieged but was saved from defeat by the arrival of supplies by sea from Ireland.
[49] Thanks to its natural defences and the supply route by sea, Harlech held out and eventually became the last major stronghold still under Lancasterian control.
[114] The main entrance to the castle was the "Gate next the Sea", next to the castle's tidal dock that allowed it to be supplied directly by sea.
[116] The outer ward consisted of an eight-sided curtain wall with twelve turrets; one gateway led out to the Gate next the Sea, and the other, the Llanfaes Gate, led out to the north side of the castle.
Caernarfon's North East Tower (l), and the town walls by the sea (r)