A center of modern culture in Tokyo, the Roppongi Hills development complex is known for its collection of international public art, including a version of the famous “Maman” sculpture. Keyakizaka Street, which runs through Roppongi Hills, is also decorated with 10 pieces of public art created by 13 artists from across the world, as part of the complex’s “Streetscape” project. Dubbed the “Street Furniture,” they add some spice to the scenery although few passengers stop to take a look at them, except to use them as benches. One of the most notable…