London’s skyline along the Thames

Your private reading shelf

A shelf for your curiosity.

Keep useful sources together, and mark the short encyclopaedia articles you have read.

PhotographIlya Grigorik · CC BY-SA 3.0

A little learning, one idea at a time.

Earth and nature

Caldera

A volcanic depression formed when the ground above a magma reservoir collapses, often following a major eruption.

Earth and nature

Karst

A landscape shaped by the dissolution of soluble rock, often with caves, sinkholes, springs and underground drainage.

Earth and nature

Glacial valley

A valley whose form has been substantially altered by moving ice and the rock carried within it.

Earth and nature

Plate boundaries

Zones where the Earth's moving tectonic plates meet, separate or slide past one another.

Earth and nature

Reading a volcano

A volcano's shape reflects the materials, eruptions and later erosion that built and altered it.

Art and architecture

Mosaic

An image or pattern assembled from small pieces of material, often called tesserae.

Art and architecture

Dry-stone construction

Building with carefully placed stone without relying on mortar to bind the stones together.

Heritage

Cultural landscape

A landscape whose character and significance arise from the interaction of people and their environment.

Heritage

Outstanding Universal Value

The term UNESCO uses for heritage significance considered exceptional beyond national boundaries.

Heritage

Living heritage

Traditions, knowledge and practices maintained and transmitted by communities.

Heritage

Industrial heritage

The buildings, landscapes, machinery and human stories associated with systems of production and work.

Cities and routes

The river city

A way of reading a city through its relationship with water, crossings, trade and flood-prone ground.

Maps and photography

Reading a historical map

Treating a map as evidence of a maker's knowledge, purpose and perspective at a particular time.

Maps and photography

Reading a travel photograph

Looking at framing, light, viewpoint and omissions as well as the place depicted.