Каким воздухом мы дышим?(часть1)
Удивительно! Но воздух в жилых помещения может быть гораздо грязнее и
опаснее, чем на улице.
7 years ago 00:02:43 1.2K
2 years ago 00:55:26 1.7K
6 years ago 00:03:46 5
8 years ago 00:03:05 1.2K
4 years ago 00:01:44 76
10 years ago 00:02:06 155
5 years ago 00:01:08 1
7 years ago 01:04:46 4
7 years ago 00:03:34 10
12 years ago 00:03:07 37
6 years ago 00:04:20 4K
12 years ago 00:03:07 43
9 years ago 00:31:01 4
4 years ago 00:03:11 255
4 years ago 00:04:06 2
1 year ago 00:03:20 1
8 years ago 00:12:31 32
12 years ago 00:03:07 60
11 years ago 00:02:14 1.1K
5 years ago 00:02:12 1.1K
12 years ago 00:03:07 44
3 years ago 00:10:24 10
3 years ago 00:02:47 3
13 years ago 00:02:05 31
