There are also a number of other fascinating facts about natural Baltic Amber it floats in salt water but sinks in fresh water; its hardness measures 2.0-2.5 on the Mohs Hardness Scale; its density amounts to 0.96-1.096g/cm3. When amber is touched with fire, it produces an aroma of burning pine.
Location of Tanggu on a map. Tanggu is a city found in Tianjin, China. It is located 39.02 latitude and 117.65 longitude and it is situated at elevation 6 meters above sea level. Tanggu has a population of 535,298 making it the 2nd biggest city in Tianjin. It operates on the CDT time zone, which means that it follows the same time zone as Tianjin. Quick facts
Port of Tianjin. The third biggest port in the world is the Port of Tianjin (formerly Tanggu), which in 2012 witnessed remarkable increase of cargo and container throughputs by 5.3% and 6.2% respectively. It handled 476 million tonnes of cargo and 12.3 million TEUs of containers in 2012.