Leafless, winter branches, seen against the muddy water of the river Seine after rain.
A pattern of twigs and buds against swirling water
and in context, seen over the lower quay.
Poplar trunks in shadow against bright water
and in sunshine, forming a backdrop to a quayside book stall.
All the trees are rooted on the lower quay with the main trunk out of view from the road above. The white barked poplars in the last picture are (not surprisingly) Populus alba or white poplar. Those in the other pictures are aspen poplar, Populus tremula.
(Click on any photo for a closer view)