once parking in the car park, head to the top right corner of the field, along the trees, look for a fence knocked into the ground and climb over, then follow the hint for your next clue
(There are two pillars)
Zl svefg vf va cbegsbyvb ohg abg va cebsvgZl frpbaq vf va ernssvezngvba ohg abg va sbezngvbaZl guveq vf va qrsnypngvba ohg abg va qryrpgngvbaZl sbhegu vf va gncre ohg abg va cncrere