1.   An inflatable tent will cover the pit, and the few experts allowed in will enter through an air lock, like on a space ship.

2.   Before the digging, the team will have erected an inflatable tent over the graves.

3.   But to play it safe, the grave is covered with an inflatable tent, which has to be entered through an air lock.

4.   The graves will be covered with an inflatable tent, with airlocks like a space station.

5.   Firemen used ladders to bring the injured and dead from the overturned coach to an inflatable tent erected nearby which acted as an emergency medical centre and temporary mortuary.