on the far left, an amazing building, the lacqua tower in chicago. a combination of overhead and livers. this building has a solid appearance and on the right, we have the new yorke building that uses footed glass which is visible to birds and has aesthetic appeal. we have the skywalk with windows that appears transparent to people but as birds approach, the footing makes the glass visible. they allowed an outside view reducing the risk of bird collisions. the top left picture in the slide shows an excellent example of how well netting can work to protect resources while looking virtually invisible. this works well for repelling pest species that can deteriorate building services as well as guarding protected species from collisions. there is the covered window. as seen in this institution here. on the right, screens, which also makes the building bird safe. other local examples. the frosted markings in the clear bus shelters that keeps people and birds from colliding with the glass and the federal building on the lower part of the slide. overhangs an