by Roberto — You have the priv­i­lege of or­bit­ing Earth aboard the In­ter­na­tional Space Sta­tion. As night­time dark­ness en­velopes a cloud­less Eu­rope, your at­ten­tion is drawn to your fa­vorite city in the world, the "City of Lights." Paris. From your van­tage point, some 400 km above the sur­face...