[Patrick, Keita, Sheila, Kiwamu]

 The IOT2L enclosure was rolled close to HAM2. So now IOT2L is at the official permanent place again.

The two light pipes between HAM2 and IOT2L are back on.

Currently the west area of HAM1 and 2,  where IOT2L and ISCT1 reside, are isolated by the black curtain-ish laser barriers.