Here is 150 kg exlosives blown up to make a hole from the lake at 410 m. over sea level to a tunel leading to a hydro powerstation at sea level. It takes about 5 min for all air in the tunel to escape up in the lake and making serius bubles and waves.
Focke Wulf 190 recovered from sea November 2006. Planed to be displayd at Herdla museum in westeren Norway close to Bergen. The FW is a model A2 marked Gelbe 16 and it came from Herdla where the museum is located to day.