it depends on how you get back. If you are fast, it will take you a few hours to get from Fushun to Dalian. If you have the conditions, the whole insulation barrel is wrapped in an insulation bag with some ice cubes, you should see it in the freezer in the supermarket, that is, the kind used when buying popsicles or quick-frozen jiaozi (the inner layer is insulated with tin foil), or it is really useless to use lock lock. Now that the temperature is relatively low, the ice should not melt.
You are afraid that you can't. There are many snacks in Tianjin Street. Now there is a Dalian Food Festival at the entrance of Changxing Market. There should always be something delicious in spicy and spicy food. You can only find it if you try it more. Maybe it's in a small shop.