message: Reduce default pitch angle.
diff: @@ -74,6 +74,11 @@ const MAX_DELTA_ALTITUDE_STEPS = 10;
  */
  const USER_INPUTS_TO_CONSIDER = 5;
  +/**
  + * The default maximum for the camera pitch. This value avoids seeing the horizon.
  + */
  +const DEFAULT_MAX_PITCH_ANGLE = Math.PI / 4;
  +
  /**
  * This map control provides basic map-related building blocks to interact with the map. It also
  * provides a default way of handling user input. Currently we support basic mouse interaction and
  @@ -225,7 +230,7 @@ export class MapControls extends THREE.EventDispatcher {
  /**
  * Determines the maximum angle the camera can pitch to. It is defined in radians.
  */
  - private m_maxPitchAngle = Math.PI;
  + private m_maxPitchAngle = DEFAULT_MAX_PITCH_ANGLE;
  private m_cleanupMouseEventListeners?: () => void;
  