"эта точка не метро, оно южнее"
POI name: Площадь Мужества
POI types: railway-station-subway-spb
OSM data version: 2018-12-13T07:12:02Z
#mapsme

"там находится другой институт гидротехники "
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 This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.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 name: Всероссийский научно-исследовательский институт гидротехники и мелиорации им. А.Н. Костякова
POI types: amenity office landuse-industrial
OSM data version: 2017-05-11T13:22:09Z
#mapsme

"сюда"
POI has no name
POI types: highway-path
OSM data version: 2017-06-09T16:24:09Z
#mapsme