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A photograph of a rabbit hole.
An old tomb carved in the rock at Tharros, a Punic and Byzantine archaeology site in Capo San Marco. San Giovanni di Sinis. Cabras Municipality. Province of Oristano. Sardinia. Italy.
Komodo dragon, Varanus komodoensis, nest holes for laying eggs,  Komodo Indonesia, March 2011
St. Nicholas Church, Aydin Soke
Muslim cemetary newly dug  empty grave hole. Photo taken in Malaysia
One of the exits from the underground badger den in the woods
An entrance to some of the defensive trenches from the 1973 Yom Kippur War at historic sites on the Golan Heights.
Black bear den showing mother bear fur inside and grass on the fur. Mother has 2 babies in there with her. It was a warm 48 degree day but they didn't come out. Den diameter is about 2 feet. Photo from 95 yards. This was in national park in Wyoming near Montana in northwestern United States of America (USA). Nearby big cities are Bozeman and Billings, Montana. John Morrison Photographer
25 Dec 2006 Japanese wartime tunnels at Quarry Pass, hong kong
The cement spatial structure of unfinished house buildings
Opened grave with two old buried coffins in a cemetery, grave ready for a new burial
Three sandbags on the ground on a sunny day.
deep hole in the ground for further work, trench for use
British Columbia rugged landscape
lair of a small fox
The interior of abandoned and ruined building,
Storm drain concrete entrance temporary covered with wooden boards in various sizes surrounded with dry soil and green grass at local construction site
World War II air raid shelter at the classic in Terni
fox hole in the forest on the lawn
Archaeological Excavations In Poland
Dismantling an old brick oven. Black soot inside the furnace wells. Dirty and dusty work during house renovation. Concept of destruction after a fire.
Abandoned #9 Coal Mine, Pennsilvanyam Carbon County, About 2000 feets underground.
Abandoned village of a former copper and iron mine with poisoned earth and water
A ponor is a natural opening where surface water enters underground passages. They are usually present in karst landscapes where there is a prevalence of porous limestone rocks.
Artisanal composter built rustically, is full of branches and biological remains in rot
Terni, Umbria, Italy - April 17, 2024: Anti-aircraft shelter in the center of the city, characterized by clear signs created by the Military Engineers for the escape routes
Badger (Meles meles) sett entrance showing the characteristic D-shape surrounded by bare soil with claw marks.
Plastered wall with a little doorway
Most of the Traverse City State Hospital sits empty and shows the signs of neglect.
An old wall patched up
Free Images: "bestof:...Teredo navalis- pallets in position, closing entrance to burrow The dark area at the right is the opening to the burrow of an.jpeg check categories 17 September"
Southern Idaho ground squirrel in native habitat near burrow.jpg
Small white flowers bottom right dark background.jpg
The_Messenger_by_Sir_David_Wynne,_SUTTON,_Surrey,_Greater_London_(3).jpg
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The_Messenger_by_Sir_David_Wynne,_SUTTON,_Surrey,_Greater_London_(10).jpg
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The_Messenger_by_Sir_David_Wynne,_SUTTON,_Surrey,_Greater_London_(8).jpg
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Balkans Animation 1800-2008.gif
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portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
Stanisław Lentz, Strajk.jpg
Jacek_Malczewski,_Hamlet_Polski_-_Portret_Aleksandra_Wielopolskiego.jpg
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Dining cryptographers protocol, sharing key with right cryptographer, Japanese.svg
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Greek_migrants_arriving_at_Bremerhaven.jpg
Mitochondrial electron transport chain pl.svg
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330-PS-2973_(USN_708705).jpg
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Midway Area map.svg
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The_Battle_of_Quiberon_Bay.jpg
D-558-2_being_mounted_to_P2B-1S_launch_aircraft.jpg
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Uptown map.svg
FMIB_49927_-Teredo_navalis-_pallets_in_position,_closing_entrance_to_burrow_The_dark_area_at_the_right_is_the_opening_to_the_burrow_of_an.jpeg
Currie's_bulbs_and_plants_(Page_10)_(16250142918).jpg
FMIB_49928_-Teredo_navalis-_Pallets_arranged_in_pairs,_illustrating_variation_in_two_members_of_the_same_pair.jpeg
FMIB_49931_-Teredo_navalis-_Series_of_pallets_selected_to_illustrate_variation_at_Crockett,_San_Francisco_Bay.jpeg
FMIB_49932_-Teredo_navalis-_Series_of_pallets_selected_to_illustrate_variation_at_Dumbarton,_San_Francisco_Bay.jpeg
FMIB_49933_-Teredo_navalis-_Series_of_pallets_selected_to_illustrate_variation_at_Goat_Island,_San_Francisco_Bay.jpeg
FMIB_49835_Xylotrya_setacca_Tryon,_entire_animal_removed_from_burrow.jpeg
FMIB_49908_Large_specimen_of_Pholadidea_Penita_in_place_in_burrow.jpeg
FMIB_48537_Ephippodonta_macdougalii_Tate,_SAustralia.jpeg
FMIB_48193_-Quahog_Eggs-_-.jpeg
FMIB_49910_Section_through_jacket_showing_borer_holes_in_close_proximity_One_borer_(Pholadidea_penita)_in_place_in_burrow.jpeg
FMIB_49929_-Teredo_navalis-_Series_of_pallets_from_the_Oakland_Harbor_Light_Station,_representing_ages_ofapproximatgely_two_weeks_(?),_one.jpeg
FMIB_48216_Anatomy_of_the_Oyster.jpeg
FMIB_49854_Burrows_of_a_shipworm_A_wire_passed_into_one_of_the_burrows_showing_a_change_of_direction_on_approaching_a_neighboring_burrow.jpeg
Everything_for_the_garden_(16234349223).jpg
FMIB_49828_Creosoted_Douglas_fir_pile_from_Pier_7,_San_Francisco,_destroyed_near_the_mud-line_by_Xylotrya_and_Limnoria_Notge_deviating.jpeg
FMIB_49855_Stages_in_development_of_the_shipworms_A,_Free-swimming_or_larval_stage_B,_Creeping_stage_after_settling_on_surface_of_wood_C.jpeg
FMIB_49918_Series_of_shells_from_Crockett_of_progressively_greater_age_from_left_to_right,_showing_change_in_relative_position_of_auricle.jpeg
The_Quarterly_journal_of_the_Geological_Society_of_London_(13935691762).jpg
The_Quarterly_journal_of_the_Geological_Society_of_London_(12645890053).jpg
The_Quarterly_journal_of_the_Geological_Society_of_London_(12645631754).jpg
The_Quarterly_journal_of_the_Geological_Society_of_London_(12645629494).jpg
Design_Analysis_of_the_Vought_F4U-1D_Corsair.jpg
FMIB_49839_Teredo_diegensis_Bartsch_-.jpeg
FMIB_49840_Teredo_diegensis_Bartsch_-.jpeg
FMIB_49841_Teredo_diegensis_Bartsch_-.jpeg
FMIB_49858_Pallets_of_Xylotrya_setacea.jpeg
FMIB_48348_Fishery_Metes.jpeg
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