I think these are largely walls/retaining walls which have been misinterpreted

"4305 m"
POI has no name
POI types: tourism-viewpoint
OSM data version: 2019-08-30T18:41:13Z
#mapsme

"Abandoned Village"
POI has no name
POI types: amenity-shelter
OSM data version: 2017-06-09T16:24:09Z
#mapsme

"4135 m"
POI has no name
POI types: tourism-viewpoint
OSM data version: 2019-08-30T18:41:13Z
#mapsme

"לילה שמיני ותשיעי, במקום יש שני מלונות - אחד טוב עם בן אדם ממש לא נחמד ואחד לא משהו עם אנשים נחמדים."
POI name: Tilicho Base Camp
POI types: place-isolated_dwelling
OSM data version: 2019-03-28T14:13:02Z
#mapsme

Very narrow cree trail. Challenging

#OsmAnd

"This might be what locals call 'Tilicho Base Camp' (not confirmed)"
POI has no name
POI types: tourism-camp_site
OSM data version: 2018-03-16T17:06:02Z
#mapsme

"It looks like a landslide has taken this shop away. A small wooded foundation remains. "
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI has no name
POI types: amenity-cafe
OSM data version: 2019-05-17T13:54:02Z
#mapsme

"Half abandoned village"
POI has no name
POI types: amenity-shelter
OSM data version: 2017-06-09T16:24:09Z
#mapsme

"Route to Ghyaru"
POI has no name
POI types: amenity-bench
OSM data version: 2018-08-04T14:22:01Z
#mapsme