Finally finished my 3D New York, 4 puzzles totaling 3575 pieces : r/Jigsawpuzzles
Amazon.com: Jigsaw Puzzle Glue Clear Puzzle Glue with Sponge Head, Replace Puzzle Saver Suitable for 3000/3500/5000 Pieces of Puzzle for Paper and Wood, Water-Soluble Craft Puzzle Glue (2 Bottle X 120ML) :