Each is 100 cubic metres large and can gather thousands of dead pigs," says Chen Yuanhua, party secretary for Zhulin.
He spoke to witnesses who have worked in Belarus's death row facilities, who described cells just three metres large, fitted with video cameras to watch inmates at all times.
The narrow channel of The Sound between Denmark and Sweden restricts ships to drafts up to 41 feet (12.5 metres); larger vessels call at Gothenburg, Sweden, which is the biggest oil port in the Baltic.
These technologies can provide imagery at scales as small as metres or tens of metres across large parts of entire forest regions or, indeed, entire countries.
It also has many major roads, such as the A12, passing within a few metres of large housing estates.
He said that debris had been "strewn over an area of around 50 metres and large sections of the roof catapulted across the road".
For a return from Mars, for example, the Hiad could be packed away in a suitcase-sized compartment and inflated up to 26 metres across – large enough to slow the spacecraft down in even the thin outer atmosphere.
"We know of course that our spatial resolution is limited by the distance between the sensor and the surface, so we can only say something about magnetisation for scales of one metre or larger," explained Hans-Ulrich Auster, who leads the Romap instrument on Philae.
Each turbine will be 190 metres tall – larger than the Gherkin building in London.
