There were times that summer when parts of our traditionally green and pleasant land did, indeed, look more like the surface of Mars: arid and monochrome. In April, hair salons, barbers, gyms and nonessential shops may open. Yet Britain remains in its third national lockdown. Still no life on Mars'Incredible pictures from Mars' said almost every newspaper and broadcaster as the first images from NASA's Perseverance rover came across after the craft had landed safely on the Red Planet. They looked just like the ones we saw  also in colour  after NASA's Viking spacecraft did the same trip in 1976.
Over the course of 26 years, an estimated 800 million people have seen their green and pleasant land.
( z0 see :ARG0 ( z1 person :ARG1-of ( z2 estimate :ARG2 800000000 ) ) :ARG1 ( z3 land :ARG1-of ( z4 pleasant ) :ARG1-of ( z5 green ) :poss ( z6 they ) ) :duration ( z7 temporal-quantity :quant 26 :unit ( z8 year ) ) )
(z0 / see-01
    :ARG0 (z1 / person
              :ARG1-of (z2 / estimate-01
                           :ARG2 800000000))
    :ARG1 (z3 / land
              :ARG1-of (z4 / pleasant-02)
              :ARG1-of (z5 / green-02)
              :poss (z6 / they))
    :duration (z7 / temporal-quantity
                  :quant 26
                  :unit (z8 / year)))
Over the course of 26 years , an estimated 800 million people have seen their green and pleasant land .
z7 :quant 0
z7 :unit z8
z2 :ARG2 1
z1 :ARG1-of z2
z0 :ARG0 z1
z0 :duration z7
z3 :ARG1-of z4
z3 :ARG1-of z5
z3 :poss z6
z0 :ARG1 z3