What nation of the three kingdom period were maebyeong bottles from? describe how maebyeong bottles were made by korean potters and the artistic elements of the bottles.

Some of these vessels have a cup-shaped cover over the mouth, so that they seemed to be used to store high quality wine such as insamju (인삼주, ginseng wine) or maehwaju (매화주; rice wine made with plum)[6] It would have originally had a lid and there are many maebyong with ginseng leaves on the surfaces.[7]

Photography has changed its subject matter quite a lot over the past few years. in the 1800's, it was considered normal for families to have  post mortem photos of their loved ones, and now that would be completely unacceptable. i think that photographers have always pushed boundaries and have been eager to capture everything, it is just society that changes their boundaries.