While many of the raised structures are connected by zip lines only, the community is continuing to develop a sky bridge that currently connects a smaller cluster of tree houses.
现在已经建好的大多数树屋都是用铁链连接在一起的，社区正在建设空中桥梁目前连接着一小群树屋。
2
Now although sunlight indeed travels along straight lines, the projections of these lines onto the spherical sky are great circles.
虽然阳光呈直线照射，但光线在球型天空的投影却是巨大的圆形。
3
Any happy outcome along these lines might prove hard to see, what with the distracting flocks of pigs arcing through the sky on their way to the new ski resorts in hell.