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kat lu: circles
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kat lu: diagonals
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kat lu: lonely tree
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kat lu: through the tunnel
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kat lu: triangle
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kat lu: curvy one
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kat lu: tree
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kat lu: yet another tree
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kat lu: reflection
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kat lu: reflection of building
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kat lu: detail
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kat lu: hole in the shadow
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kat lu: terrace
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kat lu: solid and line
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kat lu: pointing up
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kat lu: lines running through
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kat lu: skylight