If you love wandering around Rome, taking in ancient Roman sculpture where it is still extant, the way I do, then you will be familiar with Trajan’s Column.
Here’s a refresher. Here’s Rome:

Here’s where the column is located:

And here’s what the column looks like today:

But, below is a picture of what archaeologists think it looked like when it was new. It would have been picked out with colorful paints:

Sigh, don’t you wish you could time travel?