it was `` i '' , the everyday `` i '' , who was drifting above the rooftops , and the only unusual thing about it was the fact of drifting thus and the perspective , everything and everybody foreshortened down below , the trees seen from top of their spreading foliage , new vistas swimming into my field of vision in the same way as if i were just strolling along , instead of lazily floating , effortlessly .