Re lighting; your existing building lights are too bright and would look better with a dropping resistor to tone them down. To get a light in your building drill a hole through the baseboard and feed your LED wires down through a straw, insert the straw in the drilled hole, leaving the desired height for inside the building proud, then place your building over the end of the straw.. Arthur
That was Very great Indeed! Especially the large Culvert at the Viaduct: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-zdgT3JsbUac.html A good tip you could try when you do it, is some mud at the river banks, then some dark watery colours in the middle before applying water. Just after finishing scenics, otherwise it'd look terrible and you'd have to start over...