We arrived, and carefully positioned Jessica so she was facing the river, but not directly in the sun. However, she immediately started moaning and was clearly not very happy. Bemused, I went over to her and started to ask her what the matter was, and to say that we had come here especially for her, but as I knelt down next to her, I realised what the problem was. This was what she could see:
Lesson learned: always check what Jessica can actually see from her wheelchair!