The blue bricks are solid and frost-resistant, exposed directly to the outside. They withstand strong winds and rain without issue.,Old Two: "Elder, I can't come here for nothing. You order me some first, alright Let's order some for both our families. When I get back, I'll ask around. We have a few hundred households there. Even if we don't use it for building houses, we all need kang beds. You see, the more we order, the cheaper it can be, right",Old Yan helped answer: "His family first lived in three rooms."。