At ceremonial centres like Angkor Thom, Lidar filled in the apparently spacious courtyards to reveal that they were once inhabited by people living in wooden pile houses within the stone walls. Photograph: Harry Kikstra/Getty ImagesAnd then came a revolutionary new research method: light detection and ranging (Lidar). Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. They were often even actively admired by European visitors.
DONETSK, Ukraine. THE CITY MUST BE lights OFF AND GOESESBURG, UK. Carrier went to the investigate the ancient stones.
( z0 multi-sentence :snt ( z1 city :name ( z2 name :op "Glenn" ) :location ( z3 country :name ( z4 name :op "Ukraine" ) ) ) :snt ( z5 obligate :ARG2 ( z6 off :domain ( z7 light ) :domain ( z8 city :name ( z9 name :op "Europe" ) ) :mod ( z10 mind :location ( z11 country :name ( z12 name :op "UK" ) ) ) ) ) :snt ( z13 go :ARG0 ( z14 person :name ( z15 name :op "Carrier" ) ) :ARG4 ( z16 investigate :ARG0 z14 :ARG1 ( z17 stone :mod ( z18 ancient ) ) ) ) )
(z0 / multi-sentence
    :snt1 (z1 / city
              :name (z2 / name
                        :op1 "Glenn")
              :location (z3 / country
                            :name (z4 / name
                                      :op1 "Ukraine")))
    :snt2 (z5 / obligate-01
              :ARG2 (z6 / off
                        :domain (z7 / light)
                        :domain (z8 / city
                                    :name (z9 / name
                                              :op1 "Europe"))
                        :mod (z10 / mind
                                  :location (z11 / country
                                                 :name (z12 / name
                                                            :op1 "UK")))))
    :snt3 (z13 / go-02
               :ARG0 (z14 / person
                          :name (z15 / name
                                     :op1 "Carrier"))
               :ARG4 (z16 / investigate-01
                          :ARG0 z14
                          :ARG1 (z17 / stone
                                     :mod (z18 / ancient)))))
DONETSK , Ukraine . THE CITY MUST BE lights OFF AND GOESESBURG , UK . Carrier went to the investigate the ancient stones .
z2 :op1 2
z1 :name z2
z1 :location z3
z3 :name z4
z4 :op1 4
z6 :domain z7
z5 :ARG2 z6
z6 :domain z8
z8 :name z9
z6 :mod z10
z9 :op1 1
z10 :location z11
z11 :name z12
z12 :op1 3
z0 :snt2 z5
z0 :snt1 z1
z14 :name z15
z15 :op1 0
z13 :ARG0 z14
z0 :snt3 z13
z13 :ARG4 z16
z16 :ARG0 z14
z17 :mod z18
z16 :ARG1 z17