we il – V ill ingen ▁railway . ▁It ▁lies ▁on ▁the ▁n ort he astern ▁edge ▁of ▁R ott we il ▁at ▁a ▁height ▁of ▁ 5 5 7 ▁metres ▁above ▁sea ▁level . ▁ ▁History ▁ ▁Const ruction ▁began ▁in ▁ 1 8 6 5 . ▁During ▁the ▁work , ▁the ▁remains ▁of ▁about ▁ 2 , 0 0 0 ▁Russian ▁soldiers ▁were ▁found . ▁They ▁had ▁died ▁about ▁ 5 0 ▁years ▁earlier ▁in ▁an ▁ep ide mic . ▁Their ▁final ▁rest ing ▁place ▁was ▁in ▁a ▁mass ▁grave ▁on ▁the ▁grounds ▁of ▁the ▁station . ▁The ▁station ▁was ▁opened ▁on ▁ 2 3 ▁July ▁ 1 8 6 8 . ▁ ▁Origin ally ▁the ▁station ▁was ▁ 6 8 5 ▁metres ▁long ▁and ▁up ▁to ▁ 1 6 2 ▁metres ▁wide . ▁The ▁complex ▁included ▁an ▁administration ▁building , ▁a ▁fre ight ▁shed , ▁two ▁locomot ive ▁sh eds ▁and ▁a ▁repair ▁shop . ▁▁ ▁On ▁ 1 1 ▁August ▁ 1 9 7 2 , ▁a ▁fre ight ▁train ▁with ▁ 2 6 ▁w ag ons ▁der a iled . ▁Among ▁other ▁things , ▁six ▁tank ers ▁with ▁ca ust ic ▁s oda ▁over turn ed , ▁re le asing ▁ 3 0 , 0 0 0 ▁lit res ▁of ▁ca ust ic ▁s oda , ▁but ▁volunte er ▁fire ▁f igh ters ▁prevent ed ▁an ▁o xy h ydro gen ▁explos ion . ▁No ▁one ▁was ▁injured , ▁and ▁the ▁damage ▁amount ed ▁to ▁about ▁ 7