He felt like he was tunnelling into a rabbit hole of conspiracy theories.
He felt like he was tunnelling out of a deep, dark hole of depression.
He felt like he was tunnelling through a dark tunnel of despair.
He felt like he was tunnelling through life, head down, focused only on the next step.
He found himself tunnelling deeper and deeper into the online forum.
My grandfather told stories of his time tunnelling under the trenches during the war.
Scientists are tunnelling deep into the Earth's crust to study geological activity.
She felt as though she was tunnelling through a mountain of paperwork to find the answer.
She imagined herself tunnelling through the complexities of the scientific theory.
She imagined herself tunnelling through the layers of her subconscious to uncover hidden memories.
She was metaphorically tunnelling through her own past to understand her present.
The ancient civilization was known for its sophisticated tunnelling techniques.
The ants were diligently tunnelling into the soft soil, creating an intricate network of passages.
The archaeological team carefully documented everything they found during the tunnelling process.
The artist found solace in tunnelling through layers of paint to express her emotions.
The author used the metaphor of tunnelling to describe the protagonist's persistent pursuit of knowledge.
The badger was tunnelling its way through the undergrowth, creating a network of hidden passages.
The book described the dangerous conditions faced by those tunnelling through the Simplon Tunnel.
The children enjoyed building sandcastles and tunnelling through them with their toy shovels.
The city council approved the project despite concerns about the environmental impact of tunnelling.
The city planned to use tunnelling to expand its underground sewage system.
The company specialized in tunnelling solutions for underground infrastructure projects.
The company specializes in tunnelling solutions for challenging geological environments.
The constant dust and noise made tunnelling a challenging profession.
The construction company had years of experience in tunnelling through challenging terrain.
The construction workers were dedicated to tunnelling the new bypass before winter.
The design incorporated innovative tunnelling methods to minimize environmental disturbance.
The earthworms were tunnelling through the soil, aerating it and enriching it with their castings.
The engineers carefully considered the geology of the area before beginning tunnelling.
The engineers carefully monitored the ground water during the tunnelling operations.
The engineers faced numerous challenges while tunnelling under the city's congested streets.
The engineers used a technique called "sequential excavation method" for tunnelling.
The engineers used advanced software to simulate the stresses involved in tunnelling.
The engineers used advanced technology to monitor the stability of the tunnel during tunnelling.
The environmental impact assessment addressed the potential risks associated with tunnelling.
The explorers were tunnelling through the jungle undergrowth, searching for lost civilizations.
The geologist explained the different techniques used in tunnelling through various rock formations.
The government funded a study to assess the feasibility of tunnelling to a nearby island.
The government invested in new technologies to improve the efficiency of tunnelling.
The investigation revealed the thieves had been tunnelling into the bank vault for months.
The miners were exhausted after a long day tunnelling through the stubborn rock face.
The moles were tunnelling through the garden, leaving unsightly mounds of earth in their wake.
The noise from the tunnelling kept the residents awake late into the night.
The prisoner spent months plotting his escape, secretly tunnelling through the prison walls.
The project involved tunnelling a new subway line to alleviate traffic congestion.
The project involved tunnelling a pipeline to transport water to the drought-stricken region.
The project required extensive tunnelling to connect the two underground stations.
The rabbit was expertly tunnelling a burrow beneath the old oak tree.
The railway company invested heavily in tunnelling equipment to expedite the project.
The safety regulations surrounding tunnelling are extremely strict.
The scientists are tunnelling into the Antarctic ice sheet to retrieve ice core samples.
The sound of machinery echoed as they continued tunnelling deeper into the earth.
The sound of the drilling echoed through the mountains as they continued tunnelling.
The sound of the tunnelling machine vibrated through the entire valley.
The team decided to abandon the tunnelling effort after encountering unexpectedly dense rock.
The team faced numerous setbacks during the tunnelling phase of the project.
The team meticulously planned the tunnelling process to ensure the safety of the workers.
The tunnelling machines were equipped with advanced sensors to detect changes in soil composition.
The tunnelling operation unearthed a significant archaeological discovery.
The tunnelling process created a vast underground network of interconnected chambers.
The workers meticulously reinforced the tunnel walls after each phase of tunnelling.
The workers paused their tunnelling as they heard the warning siren indicating a potential collapse.
They had to reinforce the tunnel walls during the tunnelling to prevent cave-ins.
They spent years tunnelling through the bureaucratic maze to get their project approved.
Tunnelling allows for the creation of transportation infrastructure that avoids surface obstacles.
Tunnelling beneath the city required minimizing disruption to existing utilities.
Tunnelling beneath the historic district required extra precautions.
Tunnelling beneath the river required specialized equipment and expertise.
Tunnelling beneath the sea bed is a risky but sometimes necessary engineering feat.
Tunnelling is a common technique used in the construction of subways and hydroelectric dams.
Tunnelling is a complex and expensive process that requires careful planning and execution.
Tunnelling is a fascinating example of human ingenuity and engineering prowess.
Tunnelling is a skill that requires patience, precision, and a deep understanding of geology.
Tunnelling is a vital part of building modern infrastructure in densely populated areas.
Tunnelling is an essential skill for certain types of mining operations.
Tunnelling is often necessary when building infrastructure in mountainous regions.
Tunnelling is often used to create underground storage facilities.
Tunnelling offered a less disruptive alternative to surface construction.
Tunnelling offers a unique solution to many urban planning challenges.
Tunnelling operations were suspended due to the discovery of ancient artifacts.
Tunnelling requires precise measurements and careful planning to ensure structural integrity.
Tunnelling through solid granite requires specialized machinery and skilled operators.
Tunnelling through the bureaucracy seemed an impossible task, but they persevered.
Tunnelling through the communication breakdown was crucial for the project's success.
Tunnelling through the dense forest provided a direct path to the hidden valley.
Tunnelling through the dense jungle required specialized equipment and experienced personnel.
Tunnelling through the emotional barriers took considerable time and patience.
Tunnelling through the language barrier proved to be a significant hurdle.
Tunnelling through the layers of misinformation proved difficult and time-consuming.
Tunnelling through the mental block proved harder than expected.
Tunnelling through the mountain allowed the train to reach the other side more quickly.
Tunnelling through the negative feedback felt like an uphill battle.
Tunnelling through the red tape proved to be more difficult than expected.
Tunnelling through the rock face was slow and arduous work.
Tunnelling to the other side of the island provided a crucial link for transportation.
Tunnelling under the airport runway required complex logistical planning.
Tunnelling under the existing building required special techniques to avoid structural damage.
Tunnelling under the fragile ecosystem demanded utmost care and consideration.
Tunnelling under the railway tracks required careful coordination with the train schedule.
Tunnelling under the river posed significant engineering and environmental challenges.