Airbus A320 at Paris Air Show

Airbus A340-300 at Paris Air Show

Lockheed L-1049F Super Constellation at Paris Air Show

Lockheed L-1049F Super Constellation at Paris Air Show

Lockheed L-1049F Super Constellation at Paris Air Show

Airbus A380 flight test aircraft displays at Paris Air Show

Airbus A380 in flight

Airbus A380 flight

Airbus A380 flight test

Pilots looking at planes flying up in the sky

A young boy skateboarding on the street

External view of posterior thorax with pattern for lung auscultation shown in arrows. Points of auscultation shown as red circles.

Antique Illustration (steel engraving) showing apparatus pertaining to Physics and Meteorology featuring barometers, air-pumps, and various balloons., 1857.

Anteroposterior radiograph of the cervical spine, showing the margins of air in the trachea (black arrows) and the overlapping articular and transverse processes (boxed area).

The most common form of esophageal atresia is shown in which the esophagus ends in a blind pouch. The trachea communicates by a fistula with the lower esophagus and stomach. 90% of infants with this defect has this ype. Arrows indicate the flow of food

A form of esophageal atresia is shown in which both upper and lower segments of the esophagus communicate wirth the trachea. This occurs in 2% to 3% of infants with this defect. Arrows indicate the flow of food and air.

Anterior view of the interior of a dried cecum (left). The cecum was filled with air until dry, opened, and varnished. Also shown (right) is an ileal diverticulum (Meckel's diverticulum), an anomaly near the ileocecal junction.

Anterior view of thoracic area of male chest showing lungs and heart within ribcage. Left: tear in tracheobronchial tree has caused air to move into pleural space.

A form of esophageal atresia is shown in which both upper and lower segments of the esophagus end in a blind pouch. This occurs in 5% to 8% of infants with this defect. Arrows indicate the flow of food and air.

Anatomy of a sniff - shows the conchae.

Artist's concept showing the relative sizes of the X-33 and VentureStar.

Air show