It's all AU.

Koschei hummed to himself as he pulled on the oars of the little boat, watching the platform in the middle of the lake recede as he headed back for shore. He hadn't quite finished putting together his little project, but it was shaping up nicely. And at least this place had given him a nice little bit of secuity for the platform he was storing the finished product on.

"Can't have someone using them to blow up anything, after all. Would be just a waste." He looked up at the dock as he brought the oars up, the little boat gliding in next to the pier. And smiled cheefully at the person standing there as if he hadn't said a thing about explosives. "Hello! Lovely day for a row about the lake, isn't it?"

Rose sat in the park with a botany book and a oak leaf, under the tree the leaf had come from.

"Quercus pet- petraea," she slowly sounded out, or "Quercus robur? I am even looking at the right subgenus?"

Romana was happily, even obnoxiously, poking around random buildings with her brand new sonic screwdriver. She had no idea what she might turn up, or if she'd come up with anything meaningful. It was entertaining her at the moment.

The Master was in his (black) shirt sleeves, slowly filling in the hole he'd dug - weeks ago or years ago, depending on how one looked at it - shovelful by shovelful.

Dig a hole. Fill it back up. It was a metaphor.