This bay window has 3 separate openings with relatively wide molding between each, If you have enough depth, the roman shades can be mounted inside each window opening. In this case it looks like the windows were too shallow and the shades had to be mounted above the windows. The wide molding between windows covers the gap between the shades.
A Homepolish Pro's Stylish Abode — & How You Can Copy It #refinery29 http://www.refinery29.com/homepolish-san-francisco#slide3 "I love textiles for all the diversity they bring to a space, both visually and culturally. They make it anything but cookie-cutter. I’ve collected my kilim pillows from eBay and Craigslist, and I found my black-and-white African mud cloth on eBay. In other rooms, I’ve even framed textiles as wall art."