큰 소리가 깊게 들린다.

• 00:00
• 00:57
• 01:36
• 02:34
• 03:13
• 04:10
• 04:49
• 05:47
• 06:26
• 07:23
• 08:02
• 09:00
• 09:39
• 10:36
• 11:15
• 12:13
• 12:52
• 13:49
• 14:28
• 15:26

Sounding 13 mm to 16 mm Hegar sounding rods deep.