Even today it's wise to be careful with lumps of amber on Baltic beaches: https://www.dw.com/en/ticking-time-bombs-on-the-bottom-of-the-north-and-baltic-sea/a-

Even today it's wise to be careful with lumps of amber on Baltic beaches: https://www.dw.com/en/ticking-time-bombs-on-the-bottom-of-the-north-and-baltic-sea/a-40200208 https://www.dw.com/en/ticking-time-bombs-on-the-bottom-of-th...