Other mistake: When the old well needs filling in, for safety reasons, Ryan is breaking up bricks. If you are filling up a well, first, you'd need lots of bricks and stones, heaps more than Ryan's small pile, and, two, why does Ryan have to break up the bricks? They're going into the well - it doesn't matter if they are big or small.
Other mistake: When Laura is directing the planting of a very large palm tree, she says something in Spanish and points to her left; but the man installing the palm moves it to the right - the exact opposite - but suddenly it's perfect.
Other mistake: At the very end, Sherry's wrist is not red, as it should be, after being rammed in the desk drawer by Laura, when she went to get her gun.
Other mistake: When Rosemary is bitten by a spider, Laura says how pretty it was, with red and black stripes on its abdomen. Problem is: we don't get to see its abdomen - Rosemary wipes it away with her hand - and all we saw was black, no red in sight.
Answer: Regents park.