ey . ▁There ▁are ▁also ▁extensive ▁grave ▁sites ▁with ▁up ▁to ▁ 6 0 ▁meg al ith s ▁at ▁Louis en l und ▁and ▁G ry et ▁on ▁the ▁Dan ish ▁island ▁of ▁Born holm . ▁Despite ▁its ▁name , ▁the ▁Stone ▁T omb ▁in ▁Ukraine ▁was ▁not ▁a ▁tomb ▁but ▁rather ▁a ▁san ctu ary . ▁ ▁Other ▁structures ▁ ▁In ▁association ▁with ▁the ▁meg al ith ic ▁constru ctions ▁across ▁Europe , ▁there ▁are ▁often ▁large ▁earth works ▁of ▁various ▁designs ▁— ▁d itch es ▁and ▁banks ▁( like ▁the ▁Dor set ▁C urs us ), ▁broad ▁terra ces , ▁circular ▁en clos ures ▁known ▁as ▁h eng es , ▁and ▁frequently ▁artificial ▁m ounds ▁such ▁as ▁Sil bury ▁Hill ▁in ▁England ▁and ▁Monte ▁d ' Acc od di ▁in ▁S ardin ia ▁( the ▁pre histor ic ▁step ▁py ram id ). ▁ ▁Sp read ▁of ▁meg al ith ic ▁architecture ▁in ▁Europe ▁ ▁In ▁Europe ▁meg al ith s ▁are , ▁in ▁general , ▁constru ctions ▁ere cted ▁during ▁the ▁Ne ol ith ic ▁or ▁late ▁Stone ▁Age ▁and ▁Chal col ith ic ▁or ▁Co pper ▁Age ▁( 4 5 0 0 – 1 5 0 0 ▁BC ). ▁The ▁meg al ith ic ▁structures ▁of ▁Mal ta ▁are ▁believed ▁to ▁be ▁the ▁oldest ▁in ▁Europe . ▁Perhaps ▁the ▁most ▁famous ▁meg al ith ic ▁structure ▁is ▁Stone hen ge ▁in ▁England . ▁ ▁In ▁S ardin ia , ▁in ▁addition ▁to ▁dol m ens , ▁men h irs