Instead of placing candles on the edges, I think I'd make little hanging glass candle holders with LED solar lights.
Contemporary Patio Small Design, Pictures, Remodel, Decor and Ideas - page 21 I like the lighting in the floor.
same wooden boards for bench and fence A Small Contemporary Garden - Woodpecker Garden and Landscape Designs
Wood and Concrete outdoor benches with hidden outdoor lighting. See it? Garden Therapy,Landscape Architecture,Modern landscape,Outside,