passive solar heating

33:36

1:45

20:08

1:56

24:50

6:42

1:24

7:17

4:11

4:26

3:51

6:33

14:29

6:25

11:38

5:07

8:40

7:41

6:50

4:07

7:16

8:06

کوتاه

1:50

14:05

9:26

17:26

14:29

5:41

کوتاه

4:01

6:01

2:28

31:09

16:44

5:22

11:36

1:14

8:24

14:28