trap door

And, as she descended a grand pearlescent staircase, she suddenly disappeared through a trap door.

Howells and his team set up a trap near the crawl space opening and the bear eventually walked into it and triggered the trap door, wildlife officials said.

By climbing a small wooden ladder to a platform and removing the trap door, I was able to photograph the conductor straight on and capture her expressions.

These bladders create an internal vacuum and are closed by a special 'trap door'.

During her final Guts tour stop at the Rod Laver Arena, Rodrigo was running across the stage, pointing to cheering fans, when she dropped through a trap door.