Cornell University, Ithaca, NY, modern architecture, Sibley Hall, historic building, columns, arches, grand staircase, ornate details, natural light pouring in, students walking, backpacks, laptops, notes, coffee cups, casual clothing, jeans, t-shirts, sneakers, smiling faces, friendly interactions, afternoon sunbeams, warm lighting, autumn foliage outside, lush greenery, brick pavement, campus life.