But there, as everywhere else, nothing can interfere with progress and, regardless of the finds and their importance, the archaeologist must eventually yield to the bulldozer.
( ( ( ( ( But ( there ( , ( ( as ( everywhere else ) ) ( , ( nothing ( can ( interfere ( with progress ) ) ) ) ) ) ) ) ) and ) , ) ( ( regardless ( of ( ( ( the finds ) and ) ( their importance ) ) ) ) ( , ( ( the archaeologist ) ( ( must eventually ) ( yield ( to ( the bulldozer ) ) ) ) ) ) ) ) . )
(ROOT (S (S (CC But) (ADVP (RB there)) (, ,) (SBAR (IN as) (S (ADVP (RB everywhere)) (ADJP (RB else)))) (, ,) (NP (NN nothing)) (VP (MD can) (VP (VB interfere) (PP (IN with) (NP (NN progress)))))) (CC and) (, ,) (S (ADVP (RB regardless) (PP (IN of) (NP (NP (DT the) (NNS finds)) (CC and) (NP (PRP$ their) (NN importance))))) (, ,) (NP (DT the) (NN archaeologist)) (VP (MD must) (ADVP (RB eventually)) (VP (VB yield) (PP (TO to) (NP (DT the) (NN bulldozer)))))) (. .)))
It is becoming harder for archaeologists to preserve historical sites.
( It ( ( is ( ( becoming ( harder ( for archaeologists ) ) ) ( to ( preserve ( historical sites ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBG becoming) (ADVP (ADVP (RBR harder)) (PP (IN for) (NP (NNS archaeologists)))) (S (VP (TO to) (VP (VB preserve) (NP (JJ historical) (NNS sites))))))) (. .)))