NYC
https://www.facebook.com/oscar.fish.58/posts/1647708905340074It typically has 2 or 3 micro electric motors attached to the gondola, below the envelope, which rotate around various axis to control direction, height and speed.
The Top Link is a microblogging service. It runs the StatusNet microblogging software, version 1.1.0-release, available under the GNU Affero General Public License.
All The Top Link content and data are available under the Creative Commons Attribution 3.0 license.