long wall of fort

archaeological archeology architecture around asia asian battlement been building built cannon concentric entrance entrence evening fort four giri green have hill hind historic historical india indian kilavan kingdom known landmark landscape long medieval nadu only originally palace popularly protect protected protective raghunatha ramanathapuram ring rock rocks ruin sethupathi seven stable stone structure surviving tamil tamilnadu tevan this tirumayam tourism tourist travel tree trees view vijaya visit wall walls with year