article_snippet.sent: As a result, this can skew this perspective.
article_snippet.sent: If a build reaches a certain level, the insulating capacity of the air breaks.
article_snippet.sent: The reason behind this phenomenon is quite simple. '
article_snippet.sent: it will appear to loop back on it, sometimes even appearing go back upwards. '
article_snippet.sent: In such perspective the upward movement of the horizontal channel may be more amplified - the approaching horizontal channel seems to rise higher in the sky as approaching plane seems to rise higher above the horizon although its real altitude does not change.'