So we look into ancient tombed caverns and the niches into which corpses once were laid.
1	So	so	ADV	_	_	3	advmod	_	_
2	we	we	PRON	PERS-P1PL-NOM	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	_	_
3	look	look	VERB	PRES	Mood=Ind|Tense=Pres|VerbForm=Fin	0	root	_	_
4	into	into	ADP	_	_	7	case	_	_
5	ancient	ancient	ADJ	POS	Degree=Pos	7	amod	_	_
6	tombed	tombed	ADJ	POS	Degree=Pos	7	amod	_	_
7	caverns	cavern	NOUN	PL-NOM	Number=Plur	3	obl	_	_
8	and	and	CCONJ	_	_	10	cc	_	_
9	the	the	DET	DEF	Definite=Def|PronType=Art	10	det	_	_
10	niches	niche	NOUN	PL-NOM	Number=Plur	7	conj	_	_
11	into	into	ADP	_	_	12	case	_	_
12	which	which	PRON	WH-REL	PronType=Rel	16	obj	_	_
13	corpses	corpse	NOUN	PL-NOM	Number=Plur	16	nsubj:pass	_	_
14	once	once	ADV	_	NumType=Mult	16	advmod	_	_
15	were	be	AUX	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	16	aux:pass	_	_
16	laid	lay	VERB	PASS	Case=Nom	10	acl:relcl	_	SpaceAfter=No
17	.	.	PUNCT	Period	_	3	punct	_	_
