That's a lot of questions but everything is a yes for me, anything else is an i I Don't Know
They are coffins from the Bronze Age used for burial practice, similar to the Tombs of Egypt in that sense.
Glass crafts are made by heating sand silica until it melts into a liquid state. The melted glass can then either be shaped by blowing the liquid glass or by pouring the melted glass into a mold. The shape and size of the finished piece depend on the tools and method used by the artist.
C you need a name but i’m pretty sure you don’t need a page number
